With falling population growth rates, we will see more elderly per worker. And we may get fewer "1 in a million" innovators.

The dependency ratio is a measure of the number of dependents aged zero to 14 and over the age of 65, compared with the total population aged 15 to 64. This demographic indicator gives insight ...

Save guides, add subjects and pick up where you left off with your BBC account. Population pyramids close population pyramidA population pyramid is a special graph that can be used to show the ...

India’s pyramid (below) has the classic shape of a growing population. India has a favorable dependency ratio of 47 and a median age of 27.9—although smaller age groups at the bottom of the ...

Furthermore, the population over 60 in Sub-Saharan Africa is expected to rise from 50 million in 2020 to 600 million by 2100. This implies that the old-age dependency ratio, the proportion of ...

as the "dependent population". A nation's "dependency ratio" is the ratio of the dependent population to the working-age population. In the case of India this turns out to be 0.6. On this score India ...

The population pyramid displays the population composition in the Netherlands ... There is a slight ‘male surplus’ until about the age of forty, after which the ratio of men to women almost evens out, ...

The population pyramid displays the population composition in the Netherlands ... There is a slight ‘male surplus’ until about the age of forty, after which the ratio of men to women almost evens out, ...