Population, age 18, total in Sao Tome and Principe

Sao Tome and Principe: Population, age 18, total was 3,988 in 2015. β–² Rising

Latest (2015)
3,988
Change on year
up 3.6%
World rank
174th
of 191 countries
All-time high
3,988
in 2015
All-time low
2,200
in 1990
Years of data
25
1990–2015

Population, age 18, total in Sao Tome and Principe, 1990–2015

01.0k2.0k3.0k4.0k1990200220151990: 2.2k1991: 2.3k1992: 2.5k1993: 2.6k1994: 2.8k1995: 3.0k1996: 3.2k1997: 3.4k1998: 3.5k1999: 3.6k2000: 3.7k2001: 3.7k2002: 3.6k2003: 3.5k2004: 3.4k2005: 3.4k2006: 3.4k2007: 3.4k2008: 3.5k2009: 3.6k2010: 3.7k2011: 3.7k2012: 3.8k2013: 3.9k2015: 4.0k

Source: UNESCO Institute for Statistics.

Analysis

Sao Tome and Principe recorded 3,988 for population, age 18, total in 2015. That is the highest value across all 25 years on record.

The figure is up 3.6% on the previous year and up 17.2% over ten years.

Over the whole period, population, age 18, total in Sao Tome and Principe peaked at 3,988 in 2015 and was at its lowest, 2,200, in 1990.

That places Sao Tome and Principe 174th out of 191 countries with data for 2015, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 25 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 2,903 2,200 3,629 10
2000s 3,533 3,404 3,690 10
2010s 3,803 3,661 3,988 5

Countries ranked near Sao Tome and Principe

  1. 171 Malta 5,010 compare
  2. 172 Samoa 4,894 compare
  3. 173 Iceland 4,353 compare
  4. 175 Barbados 3,627 compare
  5. 176 Saint Lucia 2,819 compare
  6. 177 Micronesia, Federated States of 2,630 compare

See the full ranking of 191 places β†’

More education data for Sao Tome and Principe

All data for Sao Tome and Principe β†’

Frequently asked questions

What is population, age 18, total in Sao Tome and Principe?
Population, age 18, total in Sao Tome and Principe was 3,988 in 2015, according to UNESCO Institute for Statistics.
What is the highest population, age 18, total recorded in Sao Tome and Principe?
The highest recorded value was 3,988 in 2015.
What is the lowest population, age 18, total recorded in Sao Tome and Principe?
The lowest recorded value was 2,200 in 1990.
How does Sao Tome and Principe rank for population, age 18, total?
Sao Tome and Principe ranks 174th out of 191 countries with data for 2015.
Is population, age 18, total rising or falling in Sao Tome and Principe?
Over the last ten years it is up 17.2%. The long-run trend across the full record is rising.
Where does this Sao Tome and Principe data come from?
The figures come from UNESCO Institute for Statistics, published as part of Population, age 18, total. Statizoid updates them automatically from the source API.

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Population, age 18, total in Sao Tome and Principe. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 20 August 2026, from https://education.statizoid.com/stat/population-age-18-total/sao-tome-and-principe/

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About this data

Indicator
Population, age 18, total
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
191 places, 4,605 data points, 1990–2015
Last refreshed

Age population, total refers to total population at the specified age level, as estimated by the UNESCO Institute for Statistics.