Eighth Billion

Country record

Born in Sao Tome and Principe: the life the odds give you

The chance of being born in Sao Tome and Principe is 1 in 20,303 — 0.005% of the 132.1 million babies born worldwide in 2023.

Formula: 6,507 births in Sao Tome and Principe in 2023 ÷ 132,110,261 births worldwide in 2023

UN World Population Prospects 2024, medium variant

Life expectancy and survival

A child born in Sao Tome and Principe in 2023 could expect 69.7 years. The world figure that year was 70.3.

Female born in Sao Tome and Principe in 2023: 73.7 years. Male born in Sao Tome and Principe in 2023: 66.2 years. −0.5 years compared with the world figure.

Where the deaths fall

Of 1,000 babies born in Sao Tome and Principe in 2023, this many have died by each age.

Survival curve for Sao Tome and Principe in 2023: the share of a birth cohort still alive at each age from 0 to 100.Half of all deaths fall between 62 and 83.0%50%100%050100
Median age at death
74.0
Share reaching 65
6,966.0%

Survive to 20 here, and your chance of reaching 65 is 71.4%.

Formula: l(65) ÷ l(20)

Of 1,000 babies born in Sao Tome and Principe in 2023, this many have died by each age.
AgeDeaths per 1,000 born, by age band
0–111.5 / 1,000
1–52.2 / 1,000
5–154.4 / 1,000
15–50106.3 / 1,000
50–65179.0 / 1,000
65–80367.2 / 1,000
80–100326.8 / 1,000

How the 1 in 20,303 is calculated

Two published numbers, one division.

How the 1 in 20,303 is calculated
ValueYear
Births in Sao Tome and Principe, 20236,507
Births worldwide, 2023132,110,261
Share of world births0.0049%
The odds1 in 20,303

Why this differs from numbers you may have seen elsewhere

Two things change the answer: which year you use, and whether the denominator is births or people alive. We use births in the same year as the numerator, over all 237 locations the UN publishes. A figure sampled over people alive answers a different question — the odds a living person is from that country — and will always be larger for large countries.

The weights used for sampling sum to 132,110,261 births, so no location is silently excluded.

Childhood

13.7 of every 1,000 children born in Sao Tome and Principe die before their fifth birthday.

That is about 1 in 73.
13.7 / 1,000
Infant mortality: 11.5 per 1,000 live births.
11.5 / 1,000
Share reaching their 15th birthday: 9,819.0%.
9,819.0%
Total fertility rate
3.64

World Bank World Development Indicators, 2023.

The past: 1950 to 2023

Life expectancy in Sao Tome and Principe has moved +30.6 years since 1950, when it was 39.1.

Sao Tome and Principe crossed 60 years of life expectancy in 1985.

Life expectancy at birth

Life expectancy in Sao Tome and Principe from 1950 to 2023.Life expectancy in Sao Tome and Principe has moved +30.6 years since 1950, when it was 39.1.39.154.469.7 years19502023

Births per year

Births in Sao Tome and Principe peaked at 6,889 in 2012. In 2023 there were 6,507.

Births per yearBirths in Sao Tome and Principe peaked at 6,889 in 2012. In 2023 there were 6,507.0.034456889 Births19502023Play a life born here in 1970

Cause of death

Of all deaths recorded in Sao Tome and Principe in 2023, this is how they divide.

Of all deaths recorded in Sao Tome and Principe in 2023, this is how they divide.
Cause of deathValue
Communicable, maternal, perinatal and nutritional27.0%
Non-communicable66.2%
Injuries6.8%
This is the composition of deaths in the whole population. It is not a prediction for any one person: the simulation assigns a cause group only, and says so.

World Bank WDI, WHO-origin cause-of-death shares, 2019.

Where Sao Tome and Principe sits

Birth Lottery Index

A girl born in Sao Tome and Principe in 2023 sits at the 41th percentile of the world's life-expectancy distribution, weighting every country by its own births.

Formula: the birth-weighted share of the 237 locations whose female life expectancy is at or below 69.72 years.

Rank by births: 176 of 237.
6,507
Rank by life expectancy: 174 of 237.
69.7
Rank by under-5 mortality: 125 of 237.
13.7

Population and migration

Population
230,871 (2023)
Median age
19.1 years (2023)
Urban share
68.6 % (2023)
Population density
240.5 /km² (2023)
Net migration
-592 (2023)
Population of Sao Tome and Principe from 1950 to 2023.Population in 2023: 230,871.0.0115k231k Population19502023

Nearby and similar countries

Other locations in Middle Africa, and one with a similar life expectancy.

Frequently asked questions

What are the odds of being born in Sao Tome and Principe?
20,303 of being born here. in 2023 — 6,507 of the 132,110,261 babies born worldwide that year.
How long does a child born in Sao Tome and Principe live?
Life expectancy at birth in 2023 was 69.7 years: 73.7 for girls and 66.2 for boys. That is a population average, not a promise to any individual.
What is child mortality like in Sao Tome and Principe?
13.7 of every 1,000 children die before their fifth birthday, which is about 1 in 73.
Can I play a life born in Sao Tome and Principe?
Yes — the button at the top of this page draws a birth in Sao Tome and Principe, and you can choose any year from 1950 to 2023.
Where does this page's data come from?
UN World Population Prospects 2024 for births, population, and life tables; World Bank World Development Indicators for income, urbanisation, education, and cause-of-death composition. Every figure names its year.

Data and licence

The figures on this page are derived from the Eighth Billion dataset v1.

Source data is used under its publishers' licences and attributed on every page that displays it.

Play a life born in Sao Tome and Principe

Pick a year between 1950 and 2023, or let it be drawn.

Play a life born in Sao Tome and Principe

Eighth Billion simulates the odds of a birth. It does not predict any person's life, health, or lifespan.

2026-10-25