South Korea vs Vietnam: Population by age group
South Korea
9.48 million people
in 2023
Vietnam
8.64 million people
in 2023
South Korea rank
17th
Vietnam rank
19th
Population by age group over time
- South Korea
- Vietnam
How they compare
South Korea currently reports 9.48 million people against 8.64 million people in Vietnam, a difference of 834,710 people.
That makes South Korea's figure about 1.1 times Vietnam's.
The two have swapped places 1 time across 74 shared years of data; in 1950 it was Vietnam ahead.
South Korea ranks 17th and Vietnam ranks 19th of 236 countries.
Across the 8 decades both report, South Korea averaged higher in 2 and Vietnam in 6.
Head to head by decade
| Decade | South Korea | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 640,979 people | 1.26 million people | 614,036 people | Vietnam |
| 1960s | 943,348 people | 1.86 million people | 913,716 people | Vietnam |
| 1970s | 1.27 million people | 2.43 million people | 1.16 million people | Vietnam |
| 1980s | 1.74 million people | 3.13 million people | 1.39 million people | Vietnam |
| 1990s | 2.59 million people | 4.00 million people | 1.40 million people | Vietnam |
| 2000s | 4.22 million people | 4.97 million people | 749,914 people | Vietnam |
| 2010s | 6.50 million people | 5.98 million people | 514,663 people | South Korea |
| 2020s | 8.84 million people | 8.01 million people | 824,882 people | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age group, South Korea or Vietnam?
- South Korea, at 9.48 million people against 8.64 million people in Vietnam as of 2023.
- What is the difference in population by age group between South Korea and Vietnam?
- 834,710 people, with South Korea ahead.
- How many years of comparable data are there for South Korea and Vietnam?
- 74 years are reported by both, from 1950 to 2023.
- How do South Korea and Vietnam rank globally for population by age group?
- South Korea ranks 17th and Vietnam ranks 19th 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 65+.