Number of 1-year-olds, by sex in South Korea
South Korea: Number of 1-year-olds, by sex was 123,691 people in 2023. ▼ Falling
Number of 1-year-olds, by sex in South Korea, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for number of 1-year-olds, by sex in South Korea is 123,691 people, measured in 2023. That is the lowest value across all 74 years on record.
The figure is down 3.1% on the previous year and down 44.4% over ten years.
Over the whole period, number of 1-year-olds, by sex in South Korea peaked at 490,346 people in 1962 and was at its lowest, 123,691 people, in 2023.
That places South Korea 75th out of 236 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 373,564 people | 313,993 people | 457,205 people | 10 |
| 1960s | 463,240 people | 436,359 people | 490,346 people | 10 |
| 1970s | 419,491 people | 379,410 people | 455,937 people | 10 |
| 1980s | 353,504 people | 314,086 people | 391,827 people | 10 |
| 1990s | 317,157 people | 304,804 people | 329,263 people | 10 |
| 2000s | 240,422 people | 207,026 people | 291,915 people | 10 |
| 2010s | 207,556 people | 166,071 people | 223,033 people | 10 |
| 2020s | 135,831 people | 123,691 people | 153,320 people | 4 |
Countries ranked near South Korea
More reference data data for South Korea
- Spring temperature anomalies 1.1 °C (2026)
- Summer temperature anomalies 0.7164 °C (2026)
- Temperature anomalies by month -0.8996 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 2.24 °C (2025)
- Winter temperature anomalies 0.9115 °C (2025)
- Consumer price index 135 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is number of 1-year-olds, by sex in South Korea?
- Number of 1-year-olds, by sex in South Korea was 123,691 people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of 1-year-olds, by sex recorded in South Korea?
- The highest recorded value was 490,346 people in 1962.
- What is the lowest number of 1-year-olds, by sex recorded in South Korea?
- The lowest recorded value was 123,691 people in 2023.
- How does South Korea rank for number of 1-year-olds, by sex?
- South Korea ranks 75th out of 236 countries with data for 2023.
- Is number of 1-year-olds, by sex rising or falling in South Korea?
- Over the last ten years it is down 44.4%. The long-run trend across the full record is falling.
- Where does this South Korea data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of 1-year-olds, by sex. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes women aged 1.