China vs G20: Population projections

China
998.78 million Persons
in 2070
G20
5.07 billion Persons
in 2061
China rank
3rd
G20 rank
2nd

Population projections over time

  • China
  • G20
1.0B2.0B3.0B4.0B5.0B202420472070

How they compare

G20 currently reports 5.07 billion Persons against 998.78 million Persons in China, a difference of 4.07 billion Persons.

That makes G20's figure about 5.1 times China's.

Across all 38 years both countries report, G20 has been ahead every year.

China ranks 3rd and G20 ranks 2nd of 43 countries.

G20 has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade China G20 Difference Ahead
2020s 1.41 billion Persons 5.03 billion Persons 3.62 billion Persons G20
2030s 1.38 billion Persons 5.14 billion Persons 3.76 billion Persons G20
2040s 1.31 billion Persons 5.20 billion Persons 3.89 billion Persons G20
2050s 1.21 billion Persons 5.15 billion Persons 3.94 billion Persons G20
2060s 1.13 billion Persons 5.07 billion Persons 3.94 billion Persons G20

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population projections, China or G20?
G20, at 5.07 billion Persons against 998.78 million Persons in China as of 2061.
What is the difference in population projections between China and G20?
4.07 billion Persons, with G20 ahead.
How many years of comparable data are there for China and G20?
38 years are reported by both, from 2024 to 2061.
How do China and G20 rank globally for population projections?
China ranks 3rd and G20 ranks 2nd of 43 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Population projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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China vs G20: Population projections. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/compare/population-projections/china/g20/

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About this data

Indicator
Population projections
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
56 places, 2,581 data points, 2024–2070
Last refreshed

This dataset presents annual population projections data up to 2070 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. Population projections are, in most countries, according to medium variant. See country details for the variants retained for each demographic component of total fertility, life expectancy at birth and net annual migration) in Population projection metadata.