* indicates monthly or quarterly data series

Population size - Country rankings:

The average for 2018 was 38.53 million.The highest value was in China: 1392.73 million and the lowest value was in Tuvalu: 0.01 million. Below is a chart for all countries where data are available.
Population size, in millions, 2018
(million, Source: United Nations Population Division, TheGlobalEconomy.com)

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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