Life expectancy versus lifespan inequality in Sao Tome and Principe
Sao Tome and Principe: Life expectancy versus lifespan inequality was 0.1226 in 2023. ▼ Falling
Latest (2023)
0.1226
Change on year
down 2.0%
World rank
76th
of 236 countries
All-time high
0.4437
in 1953
All-time low
0.1226
in 2023
Years of data
74
1950–2023
Life expectancy versus lifespan inequality in Sao Tome and Principe, 1950–2023
Source: Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data.
Analysis
In 2023, life expectancy versus lifespan inequality in Sao Tome and Principe stood at 0.1226. That is the lowest value across all 74 years on record.
Compared with earlier readings it is down 2.0% on the previous year and down 22.2% over ten years.
Over the whole period, life expectancy versus lifespan inequality in Sao Tome and Principe peaked at 0.4437 in 1953 and was at its lowest, 0.1226, in 2023.
That places Sao Tome and Principe 76th 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.
Life expectancy versus lifespan inequality in Sao Tome and Principe, year by year
| Year | Value | Change |
|---|---|---|
| 1950 | 0.4435 | — |
| 1951 | 0.4436 | +0.0% |
| 1952 | 0.4437 | +0.0% |
| 1953 | 0.4437 | +0.0% |
| 1954 | 0.4434 | -0.1% |
| 1955 | 0.4421 | -0.3% |
| 1956 | 0.4392 | -0.7% |
| 1957 | 0.4335 | -1.3% |
| 1958 | 0.4239 | -2.2% |
| 1959 | 0.4112 | -3.0% |
| 1960 | 0.3949 | -4.0% |
| 1961 | 0.3768 | -4.6% |
| 1962 | 0.3583 | -4.9% |
| 1963 | 0.3411 | -4.8% |
| 1964 | 0.3251 | -4.7% |
| 1965 | 0.3101 | -4.6% |
| 1966 | 0.2963 | -4.4% |
| 1967 | 0.2839 | -4.2% |
| 1968 | 0.272 | -4.2% |
| 1969 | 0.2616 | -3.8% |
| 1970 | 0.2521 | -3.6% |
| 1971 | 0.2444 | -3.1% |
| 1972 | 0.2391 | -2.1% |
| 1973 | 0.2348 | -1.8% |
| 1974 | 0.2316 | -1.4% |
| 1975 | 0.2296 | -0.9% |
| 1976 | 0.2287 | -0.4% |
| 1977 | 0.228 | -0.3% |
| 1978 | 0.2278 | -0.1% |
| 1979 | 0.2279 | +0.0% |
| 1980 | 0.2279 | +0.0% |
| 1981 | 0.228 | +0.0% |
| 1982 | 0.2277 | -0.1% |
| 1983 | 0.2268 | -0.4% |
| 1984 | 0.2253 | -0.7% |
| 1985 | 0.2235 | -0.8% |
| 1986 | 0.248 | +11.0% |
| 1987 | 0.2186 | -11.8% |
| 1988 | 0.2167 | -0.9% |
| 1989 | 0.2265 | +4.5% |
| 1990 | 0.2161 | -4.6% |
| 1991 | 0.2144 | -0.8% |
| 1992 | 0.2141 | -0.1% |
| 1993 | 0.2138 | -0.1% |
| 1994 | 0.2133 | -0.3% |
| 1995 | 0.2122 | -0.5% |
| 1996 | 0.2108 | -0.7% |
| 1997 | 0.2089 | -0.9% |
| 1998 | 0.2066 | -1.1% |
| 1999 | 0.204 | -1.3% |
| 2000 | 0.201 | -1.5% |
| 2001 | 0.1976 | -1.7% |
| 2002 | 0.1938 | -1.9% |
| 2003 | 0.19 | -2.0% |
| 2004 | 0.1857 | -2.2% |
| 2005 | 0.1861 | +0.2% |
| 2006 | 0.1794 | -3.6% |
| 2007 | 0.1752 | -2.3% |
| 2008 | 0.1731 | -1.2% |
| 2009 | 0.1702 | -1.7% |
| 2010 | 0.1679 | -1.3% |
| 2011 | 0.1651 | -1.7% |
| 2012 | 0.1615 | -2.1% |
| 2013 | 0.1576 | -2.4% |
| 2014 | 0.1533 | -2.8% |
| 2015 | 0.1488 | -2.9% |
| 2016 | 0.1445 | -2.9% |
| 2017 | 0.1405 | -2.8% |
| 2018 | 0.1365 | -2.8% |
| 2019 | 0.1332 | -2.4% |
| 2020 | 0.1299 | -2.5% |
| 2021 | 0.1305 | +0.4% |
| 2022 | 0.1251 | -4.1% |
| 2023 | 0.1226 | -2.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 0.4368 | 0.4112 | 0.4437 | 10 |
| 1960s | 0.322 | 0.2616 | 0.3949 | 10 |
| 1970s | 0.2344 | 0.2278 | 0.2521 | 10 |
| 1980s | 0.2269 | 0.2167 | 0.248 | 10 |
| 1990s | 0.2114 | 0.204 | 0.2161 | 10 |
| 2000s | 0.1852 | 0.1702 | 0.201 | 10 |
| 2010s | 0.1509 | 0.1332 | 0.1679 | 10 |
| 2020s | 0.127 | 0.1226 | 0.1305 | 4 |
Countries ranked near Sao Tome and Principe
More health data for Sao Tome and Principe
- Un projection of annual infant deaths, annual growth rate -6.25 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.35 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 793.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 15 deaths (2100)
- Population ages 40-44, male, annual growth rate 1.2 % change on previous year (2025)
- Population ages 40-44, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 40-44, male, per capita 0.0273 units per person (2025)
- Population ages 45-49, female, annual growth rate 4.9 % change on previous year (2025)
- Population ages 45-49, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 45-49, female, per capita 0.0229 units per person (2025)
Frequently asked questions
- What is life expectancy versus lifespan inequality in Sao Tome and Principe?
- Life expectancy versus lifespan inequality in Sao Tome and Principe was 0.1226 in 2023, according to Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data.
- What is the highest life expectancy versus lifespan inequality recorded in Sao Tome and Principe?
- The highest recorded value was 0.4437 in 1953.
- What is the lowest life expectancy versus lifespan inequality recorded in Sao Tome and Principe?
- The lowest recorded value was 0.1226 in 2023.
- How does Sao Tome and Principe rank for life expectancy versus lifespan inequality?
- Sao Tome and Principe ranks 76th out of 236 countries with data for 2023.
- Is life expectancy versus lifespan inequality rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 22.2%. The long-run trend across the full record is falling.
- Where does this Sao Tome and Principe data come from?
- The figures come from Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as part of Life expectancy versus lifespan inequality. Statizoid updates them automatically from the source API.
Download this data
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About this data
Level of inequality in lifespans, measured between 0 and 1.