Life expectancy at birth, total (years) in Tanzania was reported at 67 years in 2023, according to the World Bank collection of development indicators, compiled from officially recognized sources. Tanzania - Life expectancy at birth, total (years) - actual values, historical data, forecasts and projections were sourced from the World Bank on August of 2025.

Mortality rate, under-5 (per 1,000 live births) in Tanzania was reported at 38.9 % in 2023, according to the World Bank collection of development indicators, compiled from officially recognized sources. Tanzania - Mortality rate, under-5 (per 1,000) - actual values, historical data, forecasts and projections were sourced from the World Bank on July of 2025.

In 2023, the births per one thousand women in the age group between 15 and 19 in Tanzania stood at ******. Between 1960 and 2023, the figure dropped by *****, though the decline followed an uneven course rather than a steady trajectory.

Nigeria has the largest population in Africa. As of 2025, the country counted over 237.5 million individuals, whereas Ethiopia, which ranked second, has around 135.5 million inhabitants. Egypt registered the largest population in North Africa, reaching nearly 118.4 million people. In terms of inhabitants per square kilometer, Nigeria only ranked seventh, while Mauritius had the highest population density on the whole African continent in 2023. The fastest-growing world region Africa is the second most populous continent in the world, after Asia. Nevertheless, Africa records the highest growth rate worldwide, with figures rising by over two percent every year. In some countries, such as Chad, South Sudan, Somalia, and the Central African Republic, the population increase peaks at over 3.4 percent. With so many births, Africa is also the youngest continent in the world. However, this coincides with a low life expectancy. African cities on the rise The last decades have seen high urbanization rates in Asia, mainly in China and India. African cities are also growing at large rates. Indeed, the continent has three megacities and is expected to add four more by 2050. Furthermore, Africa's fastest-growing cities are forecast to be Bujumbura, in Burundi, and Zinder, Nigeria, by 2035.