Sex ratio at birth in Sao Tome and Principe
Sao Tome and Principe: Sex ratio at birth was 102.61 males per 100 females in 2023. ▬ Flat
Latest (2023)
102.61 males per 100 females
Change on year
up 0.0%
World rank
205th
of 236 countries
All-time high
110.89 males per 100 females
in 1969
All-time low
100.86 males per 100 females
in 1950
Years of data
74
1950–2023
Sex ratio at birth in Sao Tome and Principe, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in males per 100 females.
Analysis
Sao Tome and Principe recorded 102.61 males per 100 females for sex ratio at birth in 2023.
Compared with earlier readings it is up 0.2% over ten years.
Over the whole period, sex ratio at birth in Sao Tome and Principe peaked at 110.89 males per 100 females in 1969 and was at its lowest, 100.86 males per 100 females, in 1950.
That places Sao Tome and Principe 205th out of 236 countries with data for 2023, putting it in the bottom quarter.
Sex ratio at birth in Sao Tome and Principe, year by year
| Year | males per 100 females | Change |
|---|---|---|
| 1950 | 100.86 males per 100 females | — |
| 1951 | 100.9 males per 100 females | +0.0% |
| 1952 | 102.2 males per 100 females | +1.3% |
| 1953 | 102.88 males per 100 females | +0.7% |
| 1954 | 103.7 males per 100 females | +0.8% |
| 1955 | 104.49 males per 100 females | +0.8% |
| 1956 | 105.15 males per 100 females | +0.6% |
| 1957 | 105.77 males per 100 females | +0.6% |
| 1958 | 106.35 males per 100 females | +0.5% |
| 1959 | 106.65 males per 100 females | +0.3% |
| 1960 | 106.1 males per 100 females | -0.5% |
| 1961 | 104.15 males per 100 females | -1.8% |
| 1962 | 103.4 males per 100 females | -0.7% |
| 1963 | 104.78 males per 100 females | +1.3% |
| 1964 | 106 males per 100 females | +1.2% |
| 1965 | 107.18 males per 100 females | +1.1% |
| 1966 | 108.35 males per 100 females | +1.1% |
| 1967 | 109.34 males per 100 females | +0.9% |
| 1968 | 110.29 males per 100 females | +0.9% |
| 1969 | 110.89 males per 100 females | +0.6% |
| 1970 | 106.43 males per 100 females | -4.0% |
| 1971 | 101.2 males per 100 females | -4.9% |
| 1972 | 101.22 males per 100 females | +0.0% |
| 1973 | 101.25 males per 100 females | +0.0% |
| 1974 | 101.21 males per 100 females | -0.0% |
| 1975 | 101.3 males per 100 females | +0.1% |
| 1976 | 101.25 males per 100 females | -0.0% |
| 1977 | 101.27 males per 100 females | +0.0% |
| 1978 | 101.23 males per 100 females | -0.0% |
| 1979 | 101.25 males per 100 females | +0.0% |
| 1980 | 101.28 males per 100 females | +0.0% |
| 1981 | 101.31 males per 100 females | +0.0% |
| 1982 | 101.34 males per 100 females | +0.0% |
| 1983 | 101.33 males per 100 females | -0.0% |
| 1984 | 101.3 males per 100 females | -0.0% |
| 1985 | 101.42 males per 100 females | +0.1% |
| 1986 | 101.44 males per 100 females | +0.0% |
| 1987 | 101.45 males per 100 females | +0.0% |
| 1988 | 101.5 males per 100 females | +0.1% |
| 1989 | 101.6 males per 100 females | +0.1% |
| 1990 | 101.56 males per 100 females | -0.0% |
| 1991 | 102.08 males per 100 females | +0.5% |
| 1992 | 102.68 males per 100 females | +0.6% |
| 1993 | 102.93 males per 100 females | +0.2% |
| 1994 | 103.19 males per 100 females | +0.3% |
| 1995 | 103.37 males per 100 females | +0.2% |
| 1996 | 103.45 males per 100 females | +0.1% |
| 1997 | 103.38 males per 100 females | -0.1% |
| 1998 | 103.27 males per 100 females | -0.1% |
| 1999 | 103.21 males per 100 females | -0.1% |
| 2000 | 102.65 males per 100 females | -0.5% |
| 2001 | 101.96 males per 100 females | -0.7% |
| 2002 | 101.91 males per 100 females | -0.1% |
| 2003 | 101.95 males per 100 females | +0.0% |
| 2004 | 101.89 males per 100 females | -0.1% |
| 2005 | 101.97 males per 100 females | +0.1% |
| 2006 | 102.1 males per 100 females | +0.1% |
| 2007 | 102.17 males per 100 females | +0.1% |
| 2008 | 102.12 males per 100 females | -0.1% |
| 2009 | 102.15 males per 100 females | +0.0% |
| 2010 | 102.17 males per 100 females | +0.0% |
| 2011 | 103.56 males per 100 females | +1.4% |
| 2012 | 103.63 males per 100 females | +0.1% |
| 2013 | 102.44 males per 100 females | -1.1% |
| 2014 | 102.43 males per 100 females | -0.0% |
| 2015 | 102.53 males per 100 females | +0.1% |
| 2016 | 102.59 males per 100 females | +0.1% |
| 2017 | 102.54 males per 100 females | -0.0% |
| 2018 | 102.61 males per 100 females | +0.1% |
| 2019 | 102.6 males per 100 females | -0.0% |
| 2020 | 102.58 males per 100 females | -0.0% |
| 2021 | 102.55 males per 100 females | -0.0% |
| 2022 | 102.58 males per 100 females | +0.0% |
| 2023 | 102.61 males per 100 females | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 103.89 males per 100 females | 100.86 males per 100 females | 106.65 males per 100 females | 10 |
| 1960s | 107.05 males per 100 females | 103.4 males per 100 females | 110.89 males per 100 females | 10 |
| 1970s | 101.76 males per 100 females | 101.2 males per 100 females | 106.43 males per 100 females | 10 |
| 1980s | 101.4 males per 100 females | 101.28 males per 100 females | 101.6 males per 100 females | 10 |
| 1990s | 102.91 males per 100 females | 101.56 males per 100 females | 103.45 males per 100 females | 10 |
| 2000s | 102.09 males per 100 females | 101.89 males per 100 females | 102.65 males per 100 females | 10 |
| 2010s | 102.71 males per 100 females | 102.17 males per 100 females | 103.63 males per 100 females | 10 |
| 2020s | 102.58 males per 100 females | 102.55 males per 100 females | 102.61 males per 100 females | 4 |
Countries ranked near Sao Tome and Principe
More gender data for Sao Tome and Principe
- Child population (UN estimates and projections) 94.27 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 0.9834 % change on previous year (2030)
- Age population, age 00, female, interpolated 3,245 (2025)
- Age population, age 00, male, interpolated 3,330 (2025)
- Age population, age 01, female, interpolated 3,189 (2025)
- Age population, age 01, male, interpolated 3,272 (2025)
- Age population, age 02, female, interpolated 3,129 (2025)
- Age population, age 02, male, interpolated 3,210 (2025)
- Age population, age 03, female, interpolated 3,072 (2025)
- Age population, age 03, male, interpolated 3,152 (2025)
Frequently asked questions
- What is sex ratio at birth in Sao Tome and Principe?
- Sex ratio at birth in Sao Tome and Principe was 102.61 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 at birth recorded in Sao Tome and Principe?
- The highest recorded value was 110.89 males per 100 females in 1969.
- What is the lowest sex ratio at birth recorded in Sao Tome and Principe?
- The lowest recorded value was 100.86 males per 100 females in 1950.
- How does Sao Tome and Principe rank for sex ratio at birth?
- Sao Tome and Principe ranks 205th out of 236 countries with data for 2023.
- Is sex ratio at birth rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 0.2%. The long-run trend across the full record is flat.
- Where does this Sao Tome and Principe data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Sex ratio at birth. Statizoid updates them automatically from the source API.
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About this data
Number of male births per 100 female births.