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Population and society

Population, migration, households, cities and social conditions.

Population statistics help explain how places change: whether a country is growing or ageing, where people move, and how households and cities develop. The catalog brings together reviewed assets from public statistical sources so that publishers can compare definitions, dates and geographic coverage before using a number.

A population figure is only meaningful when its reference date and measurement method are clear. Census counts, modeled estimates and administrative records can describe the same place differently. Open an asset to inspect its canonical source, freshness, reuse conditions and the exact citation supplied for publication.

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Chart · Our World in Data

Natural population growth rate vs. median age

The median age is the age that divides the population into two parts of equal size, that is, there are as many people with ages above the median as there are with ages below the median. In this metric of [population growth](#dod::population-growth-rate), changes due to migration are excluded and only births and deaths are considered.

Chart · Our World in Data

Natural population growth rate

Annual population change determined by births and deaths. Migration is not included. In this future scenario, net migration is set to zero from 2024 onwards, while mortality and fertility assumptions follow the UN's medium scenario; this means feedback between migration and these factors are not incorporated.