Democratic Republic of Congo vs Nigeria: Population by age group
Democratic Republic of Congo
19.28 million people
in 2023
Nigeria
33.53 million people
in 2023
Democratic Republic of Congo rank
6th
Nigeria rank
3rd
Population by age group over time
- Democratic Republic of Congo
- Nigeria
How they compare
Nigeria currently reports 33.53 million people against 19.28 million people in Democratic Republic of Congo, a difference of 14.25 million people.
That makes Nigeria's figure about 1.7 times Democratic Republic of Congo's.
Across all 74 years both countries report, Nigeria has been ahead every year.
Democratic Republic of Congo ranks 6th and Nigeria ranks 3rd of 236 countries.
Nigeria has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Democratic Republic of Congo | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 2.34 million people | 6.81 million people | 4.47 million people | Nigeria |
| 1960s | 3.09 million people | 8.60 million people | 5.51 million people | Nigeria |
| 1970s | 4.15 million people | 11.55 million people | 7.40 million people | Nigeria |
| 1980s | 5.62 million people | 15.61 million people | 9.99 million people | Nigeria |
| 1990s | 7.94 million people | 19.35 million people | 11.41 million people | Nigeria |
| 2000s | 10.71 million people | 25.60 million people | 14.90 million people | Nigeria |
| 2010s | 14.84 million people | 32.17 million people | 17.33 million people | Nigeria |
| 2020s | 18.48 million people | 33.35 million people | 14.87 million people | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age group, Democratic Republic of Congo or Nigeria?
- Nigeria, at 33.53 million people against 19.28 million people in Democratic Republic of Congo as of 2023.
- What is the difference in population by age group between Democratic Republic of Congo and Nigeria?
- 14.25 million people, with Nigeria ahead.
- How many years of comparable data are there for Democratic Republic of Congo and Nigeria?
- 74 years are reported by both, from 1950 to 2023.
- How do Democratic Republic of Congo and Nigeria rank globally for population by age group?
- Democratic Republic of Congo ranks 6th 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
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.