Population Ages 0 to 14 for the United Republic of Tanzania was 43.55443 % of Total in January of 2020, according to the United States Federal Reserve. Historically, Population Ages 0 to 14 for the United Republic of Tanzania reached a record high of 46.37958 in January of 1978 and a record low of 43.55443 in January of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Ages 0 to 14 for the United Republic of Tanzania - last updated from the United States Federal Reserve on March of 2024.