diff --git a/packages/shared-fixtures/fixtures/typescript/basics/union-intersection.src.ts b/packages/shared-fixtures/fixtures/typescript/basics/union-intersection.src.ts
new file mode 100644
index 000000000000..cd1a7a71a81a
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/basics/union-intersection.src.ts
@@ -0,0 +1,9 @@
+let union: number | null | undefined;
+let intersection: number & string;
+let precedence1: number | string & boolean;
+let precedence2: number & string | boolean;
+
+type unionLeading = | number | string;
+type intersectionLeading = | number & string;
+type unionLeadingSingle = | number;
+type intersectionLeadingSingle = & number;
diff --git a/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts b/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
index e0a2426be83a..7e6e964481c7 100644
--- a/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
+++ b/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
@@ -367,13 +367,13 @@ tester.addFixturePatternConfig('typescript/basics', {
     /**
      * [BABEL ERRORED, BUT TS-ESTREE DID NOT]
      * babel hard fails on computed string enum members, but TS doesn't
-     * TODO: report this to babel
+     * https://github.com/babel/babel/issues/12683
      */
     'export-named-enum-computed-string',
     /**
      * Babel: TSTypePredicate includes `:` statement in range
      * ts-estree: TSTypePredicate does not include `:` statement in range
-     * TODO: report this to babel
+     * https://github.com/babel/babel/issues/12676
      */
     'type-assertion-in-arrow-function',
     'type-assertion-in-function',
@@ -395,6 +395,11 @@ tester.addFixturePatternConfig('typescript/basics', {
     'catch-clause-with-invalid-annotation',
     'export-type-star-from',
     'import-type-error',
+    /**
+     * babel does not take into account leading character into union and intersection
+     * https://github.com/babel/babel/pull/12758
+     */
+    'union-intersection',
   ],
   ignoreSourceType: [
     /**
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
index 61608bd35953..cdc1d6bf4b75 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
@@ -2122,6 +2122,8 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/typed-this.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/union-intersection.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/unique-symbol.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/basics/unknown-type-annotation.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
diff --git a/packages/typescript-estree/tests/snapshots/typescript/basics/union-intersection.src.ts.shot b/packages/typescript-estree/tests/snapshots/typescript/basics/union-intersection.src.ts.shot
new file mode 100644
index 000000000000..cd8382ae043c
--- /dev/null
+++ b/packages/typescript-estree/tests/snapshots/typescript/basics/union-intersection.src.ts.shot
@@ -0,0 +1,2073 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`typescript basics union-intersection.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "declarations": Array [
+        Object {
+          "id": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 36,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 4,
+                "line": 1,
+              },
+            },
+            "name": "union",
+            "range": Array [
+              4,
+              36,
+            ],
+            "type": "Identifier",
+            "typeAnnotation": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 36,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 9,
+                  "line": 1,
+                },
+              },
+              "range": Array [
+                9,
+                36,
+              ],
+              "type": "TSTypeAnnotation",
+              "typeAnnotation": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 36,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 11,
+                    "line": 1,
+                  },
+                },
+                "range": Array [
+                  11,
+                  36,
+                ],
+                "type": "TSUnionType",
+                "types": Array [
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 17,
+                        "line": 1,
+                      },
+                      "start": Object {
+                        "column": 11,
+                        "line": 1,
+                      },
+                    },
+                    "range": Array [
+                      11,
+                      17,
+                    ],
+                    "type": "TSNumberKeyword",
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 24,
+                        "line": 1,
+                      },
+                      "start": Object {
+                        "column": 20,
+                        "line": 1,
+                      },
+                    },
+                    "range": Array [
+                      20,
+                      24,
+                    ],
+                    "type": "TSNullKeyword",
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 36,
+                        "line": 1,
+                      },
+                      "start": Object {
+                        "column": 27,
+                        "line": 1,
+                      },
+                    },
+                    "range": Array [
+                      27,
+                      36,
+                    ],
+                    "type": "TSUndefinedKeyword",
+                  },
+                ],
+              },
+            },
+          },
+          "init": null,
+          "loc": Object {
+            "end": Object {
+              "column": 36,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 4,
+              "line": 1,
+            },
+          },
+          "range": Array [
+            4,
+            36,
+          ],
+          "type": "VariableDeclarator",
+        },
+      ],
+      "kind": "let",
+      "loc": Object {
+        "end": Object {
+          "column": 37,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        37,
+      ],
+      "type": "VariableDeclaration",
+    },
+    Object {
+      "declarations": Array [
+        Object {
+          "id": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 33,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 4,
+                "line": 2,
+              },
+            },
+            "name": "intersection",
+            "range": Array [
+              42,
+              71,
+            ],
+            "type": "Identifier",
+            "typeAnnotation": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 33,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 16,
+                  "line": 2,
+                },
+              },
+              "range": Array [
+                54,
+                71,
+              ],
+              "type": "TSTypeAnnotation",
+              "typeAnnotation": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 33,
+                    "line": 2,
+                  },
+                  "start": Object {
+                    "column": 18,
+                    "line": 2,
+                  },
+                },
+                "range": Array [
+                  56,
+                  71,
+                ],
+                "type": "TSIntersectionType",
+                "types": Array [
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 24,
+                        "line": 2,
+                      },
+                      "start": Object {
+                        "column": 18,
+                        "line": 2,
+                      },
+                    },
+                    "range": Array [
+                      56,
+                      62,
+                    ],
+                    "type": "TSNumberKeyword",
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 33,
+                        "line": 2,
+                      },
+                      "start": Object {
+                        "column": 27,
+                        "line": 2,
+                      },
+                    },
+                    "range": Array [
+                      65,
+                      71,
+                    ],
+                    "type": "TSStringKeyword",
+                  },
+                ],
+              },
+            },
+          },
+          "init": null,
+          "loc": Object {
+            "end": Object {
+              "column": 33,
+              "line": 2,
+            },
+            "start": Object {
+              "column": 4,
+              "line": 2,
+            },
+          },
+          "range": Array [
+            42,
+            71,
+          ],
+          "type": "VariableDeclarator",
+        },
+      ],
+      "kind": "let",
+      "loc": Object {
+        "end": Object {
+          "column": 34,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        38,
+        72,
+      ],
+      "type": "VariableDeclaration",
+    },
+    Object {
+      "declarations": Array [
+        Object {
+          "id": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 42,
+                "line": 3,
+              },
+              "start": Object {
+                "column": 4,
+                "line": 3,
+              },
+            },
+            "name": "precedence1",
+            "range": Array [
+              77,
+              115,
+            ],
+            "type": "Identifier",
+            "typeAnnotation": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 42,
+                  "line": 3,
+                },
+                "start": Object {
+                  "column": 15,
+                  "line": 3,
+                },
+              },
+              "range": Array [
+                88,
+                115,
+              ],
+              "type": "TSTypeAnnotation",
+              "typeAnnotation": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 42,
+                    "line": 3,
+                  },
+                  "start": Object {
+                    "column": 17,
+                    "line": 3,
+                  },
+                },
+                "range": Array [
+                  90,
+                  115,
+                ],
+                "type": "TSUnionType",
+                "types": Array [
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 23,
+                        "line": 3,
+                      },
+                      "start": Object {
+                        "column": 17,
+                        "line": 3,
+                      },
+                    },
+                    "range": Array [
+                      90,
+                      96,
+                    ],
+                    "type": "TSNumberKeyword",
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 42,
+                        "line": 3,
+                      },
+                      "start": Object {
+                        "column": 26,
+                        "line": 3,
+                      },
+                    },
+                    "range": Array [
+                      99,
+                      115,
+                    ],
+                    "type": "TSIntersectionType",
+                    "types": Array [
+                      Object {
+                        "loc": Object {
+                          "end": Object {
+                            "column": 32,
+                            "line": 3,
+                          },
+                          "start": Object {
+                            "column": 26,
+                            "line": 3,
+                          },
+                        },
+                        "range": Array [
+                          99,
+                          105,
+                        ],
+                        "type": "TSStringKeyword",
+                      },
+                      Object {
+                        "loc": Object {
+                          "end": Object {
+                            "column": 42,
+                            "line": 3,
+                          },
+                          "start": Object {
+                            "column": 35,
+                            "line": 3,
+                          },
+                        },
+                        "range": Array [
+                          108,
+                          115,
+                        ],
+                        "type": "TSBooleanKeyword",
+                      },
+                    ],
+                  },
+                ],
+              },
+            },
+          },
+          "init": null,
+          "loc": Object {
+            "end": Object {
+              "column": 42,
+              "line": 3,
+            },
+            "start": Object {
+              "column": 4,
+              "line": 3,
+            },
+          },
+          "range": Array [
+            77,
+            115,
+          ],
+          "type": "VariableDeclarator",
+        },
+      ],
+      "kind": "let",
+      "loc": Object {
+        "end": Object {
+          "column": 43,
+          "line": 3,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 3,
+        },
+      },
+      "range": Array [
+        73,
+        116,
+      ],
+      "type": "VariableDeclaration",
+    },
+    Object {
+      "declarations": Array [
+        Object {
+          "id": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 42,
+                "line": 4,
+              },
+              "start": Object {
+                "column": 4,
+                "line": 4,
+              },
+            },
+            "name": "precedence2",
+            "range": Array [
+              121,
+              159,
+            ],
+            "type": "Identifier",
+            "typeAnnotation": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 42,
+                  "line": 4,
+                },
+                "start": Object {
+                  "column": 15,
+                  "line": 4,
+                },
+              },
+              "range": Array [
+                132,
+                159,
+              ],
+              "type": "TSTypeAnnotation",
+              "typeAnnotation": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 42,
+                    "line": 4,
+                  },
+                  "start": Object {
+                    "column": 17,
+                    "line": 4,
+                  },
+                },
+                "range": Array [
+                  134,
+                  159,
+                ],
+                "type": "TSUnionType",
+                "types": Array [
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 32,
+                        "line": 4,
+                      },
+                      "start": Object {
+                        "column": 17,
+                        "line": 4,
+                      },
+                    },
+                    "range": Array [
+                      134,
+                      149,
+                    ],
+                    "type": "TSIntersectionType",
+                    "types": Array [
+                      Object {
+                        "loc": Object {
+                          "end": Object {
+                            "column": 23,
+                            "line": 4,
+                          },
+                          "start": Object {
+                            "column": 17,
+                            "line": 4,
+                          },
+                        },
+                        "range": Array [
+                          134,
+                          140,
+                        ],
+                        "type": "TSNumberKeyword",
+                      },
+                      Object {
+                        "loc": Object {
+                          "end": Object {
+                            "column": 32,
+                            "line": 4,
+                          },
+                          "start": Object {
+                            "column": 26,
+                            "line": 4,
+                          },
+                        },
+                        "range": Array [
+                          143,
+                          149,
+                        ],
+                        "type": "TSStringKeyword",
+                      },
+                    ],
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 42,
+                        "line": 4,
+                      },
+                      "start": Object {
+                        "column": 35,
+                        "line": 4,
+                      },
+                    },
+                    "range": Array [
+                      152,
+                      159,
+                    ],
+                    "type": "TSBooleanKeyword",
+                  },
+                ],
+              },
+            },
+          },
+          "init": null,
+          "loc": Object {
+            "end": Object {
+              "column": 42,
+              "line": 4,
+            },
+            "start": Object {
+              "column": 4,
+              "line": 4,
+            },
+          },
+          "range": Array [
+            121,
+            159,
+          ],
+          "type": "VariableDeclarator",
+        },
+      ],
+      "kind": "let",
+      "loc": Object {
+        "end": Object {
+          "column": 43,
+          "line": 4,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 4,
+        },
+      },
+      "range": Array [
+        117,
+        160,
+      ],
+      "type": "VariableDeclaration",
+    },
+    Object {
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 17,
+            "line": 6,
+          },
+          "start": Object {
+            "column": 5,
+            "line": 6,
+          },
+        },
+        "name": "unionLeading",
+        "range": Array [
+          167,
+          179,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 38,
+          "line": 6,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 6,
+        },
+      },
+      "range": Array [
+        162,
+        200,
+      ],
+      "type": "TSTypeAliasDeclaration",
+      "typeAnnotation": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 37,
+            "line": 6,
+          },
+          "start": Object {
+            "column": 20,
+            "line": 6,
+          },
+        },
+        "range": Array [
+          182,
+          199,
+        ],
+        "type": "TSUnionType",
+        "types": Array [
+          Object {
+            "loc": Object {
+              "end": Object {
+                "column": 28,
+                "line": 6,
+              },
+              "start": Object {
+                "column": 22,
+                "line": 6,
+              },
+            },
+            "range": Array [
+              184,
+              190,
+            ],
+            "type": "TSNumberKeyword",
+          },
+          Object {
+            "loc": Object {
+              "end": Object {
+                "column": 37,
+                "line": 6,
+              },
+              "start": Object {
+                "column": 31,
+                "line": 6,
+              },
+            },
+            "range": Array [
+              193,
+              199,
+            ],
+            "type": "TSStringKeyword",
+          },
+        ],
+      },
+    },
+    Object {
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 24,
+            "line": 7,
+          },
+          "start": Object {
+            "column": 5,
+            "line": 7,
+          },
+        },
+        "name": "intersectionLeading",
+        "range": Array [
+          206,
+          225,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 45,
+          "line": 7,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 7,
+        },
+      },
+      "range": Array [
+        201,
+        246,
+      ],
+      "type": "TSTypeAliasDeclaration",
+      "typeAnnotation": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 44,
+            "line": 7,
+          },
+          "start": Object {
+            "column": 27,
+            "line": 7,
+          },
+        },
+        "range": Array [
+          228,
+          245,
+        ],
+        "type": "TSUnionType",
+        "types": Array [
+          Object {
+            "loc": Object {
+              "end": Object {
+                "column": 44,
+                "line": 7,
+              },
+              "start": Object {
+                "column": 29,
+                "line": 7,
+              },
+            },
+            "range": Array [
+              230,
+              245,
+            ],
+            "type": "TSIntersectionType",
+            "types": Array [
+              Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 35,
+                    "line": 7,
+                  },
+                  "start": Object {
+                    "column": 29,
+                    "line": 7,
+                  },
+                },
+                "range": Array [
+                  230,
+                  236,
+                ],
+                "type": "TSNumberKeyword",
+              },
+              Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 44,
+                    "line": 7,
+                  },
+                  "start": Object {
+                    "column": 38,
+                    "line": 7,
+                  },
+                },
+                "range": Array [
+                  239,
+                  245,
+                ],
+                "type": "TSStringKeyword",
+              },
+            ],
+          },
+        ],
+      },
+    },
+    Object {
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 23,
+            "line": 8,
+          },
+          "start": Object {
+            "column": 5,
+            "line": 8,
+          },
+        },
+        "name": "unionLeadingSingle",
+        "range": Array [
+          252,
+          270,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 35,
+          "line": 8,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 8,
+        },
+      },
+      "range": Array [
+        247,
+        282,
+      ],
+      "type": "TSTypeAliasDeclaration",
+      "typeAnnotation": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 34,
+            "line": 8,
+          },
+          "start": Object {
+            "column": 26,
+            "line": 8,
+          },
+        },
+        "range": Array [
+          273,
+          281,
+        ],
+        "type": "TSUnionType",
+        "types": Array [
+          Object {
+            "loc": Object {
+              "end": Object {
+                "column": 34,
+                "line": 8,
+              },
+              "start": Object {
+                "column": 28,
+                "line": 8,
+              },
+            },
+            "range": Array [
+              275,
+              281,
+            ],
+            "type": "TSNumberKeyword",
+          },
+        ],
+      },
+    },
+    Object {
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 30,
+            "line": 9,
+          },
+          "start": Object {
+            "column": 5,
+            "line": 9,
+          },
+        },
+        "name": "intersectionLeadingSingle",
+        "range": Array [
+          288,
+          313,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 42,
+          "line": 9,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 9,
+        },
+      },
+      "range": Array [
+        283,
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+  "type": "Program",
+}
+`;