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
* indicates monthly or quarterly data series