* indicates monthly or quarterly data series

Population size, in millions, 2018 - Country rankings:

The average for 2018 based on 197 countries was 41.91 million.The highest value was in China: 1392.73 million and the lowest value was in Tuvalu: 0.01 million. The indicator is available from 1960 to 2018. Below is a chart for all countries where data are available.

Measure: million; Source: United Nations Population Division
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* indicates monthly or quarterly data series



Definition: Total population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship. The values shown are midyear estimates.
Population size in the European union
Population size in Europe
Population size in Asia
Population size in Africa
Population size in North America
Population size in South America
Population size in Australia


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