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
010.0M20.0M30.0M195019862023

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

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.