The World Bank has published the 2015 edition of its dataset: "Population Estimates and Projections." This database presents population and other demographic estimates and projections for the period 1960 to 2050. The data are disaggregated by age-group and gender and cover approximately 200 economies. The data also include information about fertility, mortality, and population by age.
Percentage of the working-age population will rise from 54 percent to 60. Moreover, according to World Bank data, the growth of the share of the old population is expected. In other words, changes in the structure of population lead to population ageing, an increasing median age in the population. Whereas in 2017 African countries take leading positions by age dependency ration, in 2015 Japan and European countries will have the highest share of working'age population.
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