Age-specific contact matrices inferred for 152 countries from K. Prem et al. (2017).
Age demographic data from the U.S. Census Bureau via Census Reporter (https://censusreporter.org/), scraped using https://github.com/amath-idm/demography.
Prem K, Cook AR, Jit M (2017) Projecting social contact matrices in 152 countries using contact surveys and demographic data. PLOS Computational Biology 13(9): e1005697. https://doi.org/10.1371/journal.pcbi.1005697