Sex ratio by age in South Korea
South Korea: Sex ratio by age was 4.67 males per 100 females in 2023. ◆ Volatile
Sex ratio by age in South Korea, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
The most recent figure for sex ratio by age in South Korea is 4.67 males per 100 females, measured in 2023.
That represents a change of down 16.0% on the previous year and down 10.8% over ten years.
Over the whole period, sex ratio by age in South Korea peaked at 217.65 males per 100 females in 1956 and was at its lowest, 0 males per 100 females, in 1967.
That places South Korea 184th out of 212 countries with data for 2023, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 149.04 males per 100 females | 45.58 males per 100 females | 217.65 males per 100 females | 10 |
| 1960s | 94.87 males per 100 females | 0 males per 100 females | 150 males per 100 females | 10 |
| 1970s | 1.14 males per 100 females | 0 males per 100 females | 3.7 males per 100 females | 9 |
| 1980s | 2.07 males per 100 females | 0.5618 males per 100 females | 3.95 males per 100 females | 10 |
| 1990s | 1.35 males per 100 females | 0.627 males per 100 females | 2.19 males per 100 females | 10 |
| 2000s | 2.66 males per 100 females | 1.45 males per 100 females | 3.94 males per 100 females | 10 |
| 2010s | 5.61 males per 100 females | 4.53 males per 100 females | 6.93 males per 100 females | 10 |
| 2020s | 5.95 males per 100 females | 4.67 males per 100 females | 6.96 males per 100 females | 4 |
Countries ranked near South Korea
More gender data for South Korea
- Age population, age 00, female, interpolated 119,025 (2025)
- Age population, age 00, male, interpolated 125,732 (2025)
- Age population, age 01, female, interpolated 116,471 (2025)
- Age population, age 01, male, interpolated 122,813 (2025)
- Age population, age 02, female, interpolated 119,098 (2025)
- Age population, age 02, male, interpolated 125,514 (2025)
- Age population, age 03, female, interpolated 124,678 (2025)
- Age population, age 03, male, interpolated 131,322 (2025)
- Age population, age 04, female, interpolated 128,342 (2025)
- Age population, age 04, male, interpolated 135,145 (2025)
Frequently asked questions
- What is sex ratio by age in South Korea?
- Sex ratio by age in South Korea was 4.67 males per 100 females in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest sex ratio by age recorded in South Korea?
- The highest recorded value was 217.65 males per 100 females in 1956.
- What is the lowest sex ratio by age recorded in South Korea?
- The lowest recorded value was 0 males per 100 females in 1967.
- How does South Korea rank for sex ratio by age?
- South Korea ranks 184th out of 212 countries with data for 2023.
- Is sex ratio by age rising or falling in South Korea?
- Over the last ten years it is down 10.8%. The long-run trend across the full record is volatile.
- 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 Sex ratio by age. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 73 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The number of males per 100 females at age 100+.