China vs Nigeria: Population by age group

China
58.04 million people
in 2023
Nigeria
33.53 million people
in 2023
China rank
2nd
Nigeria rank
3rd

Population by age group over time

  • China
  • Nigeria
050.0M100.0M150.0M195019862023

How they compare

China currently reports 58.04 million people against 33.53 million people in Nigeria, a difference of 24.52 million people.

That makes China's figure about 1.7 times Nigeria's.

Across all 74 years both countries report, China has been ahead every year.

China ranks 2nd and Nigeria ranks 3rd of 236 countries.

China has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade China Nigeria Difference Ahead
1950s 97.94 million people 6.81 million people 91.13 million people China
1960s 112.03 million people 8.60 million people 103.43 million people China
1970s 125.44 million people 11.55 million people 113.88 million people China
1980s 109.10 million people 15.61 million people 93.49 million people China
1990s 107.21 million people 19.35 million people 87.87 million people China
2000s 82.22 million people 25.60 million people 56.62 million people China
2010s 88.74 million people 32.17 million people 56.57 million people China
2020s 69.51 million people 33.35 million people 36.16 million people China

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population by age group, China or Nigeria?
China, at 58.04 million people against 33.53 million people in Nigeria as of 2023.
What is the difference in population by age group between China and Nigeria?
24.52 million people, with China ahead.
How many years of comparable data are there for China and Nigeria?
74 years are reported by both, from 1950 to 2023.
How do China and Nigeria rank globally for population by age group?
China ranks 2nd and Nigeria ranks 3rd of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Population by age group. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Population by age group
Unit
people
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

The total population, measured on 1 July of the year shown. This only includes people aged 0-4.