Sao Tome and Principe vs Sierra Leone: Age dependency ratio projected to 2100

Sao Tome and Principe
72.86
in 2023
Sierra Leone
71.64
in 2023
Sao Tome and Principe rank
41st
Sierra Leone rank
43rd

Age dependency ratio projected to 2100 over time

  • Sao Tome and Principe
  • Sierra Leone
0255075100195019862023

How they compare

Sao Tome and Principe currently reports 72.86 against 71.64 in Sierra Leone, a difference of 1.22.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Sierra Leone ahead.

Sao Tome and Principe ranks 41st and Sierra Leone ranks 43rd of 229 countries.

Across the 8 decades both report, Sao Tome and Principe averaged higher in 6 and Sierra Leone in 2.

Head to head by decade

Decade Sao Tome and Principe Sierra Leone Difference Ahead
1950s 60.05 72.62 12.57 Sierra Leone
1960s 80.68 75.51 5.17 Sao Tome and Principe
1970s 100.68 82.84 17.84 Sao Tome and Principe
1980s 96.53 86.8 9.73 Sao Tome and Principe
1990s 95.74 89.01 6.74 Sao Tome and Principe
2000s 85.99 89.22 3.22 Sierra Leone
2010s 82.8 82.14 0.6631 Sao Tome and Principe
2020s 75.26 73.47 1.79 Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher age dependency ratio projected to 2100, Sao Tome and Principe or Sierra Leone?
Sao Tome and Principe, at 72.86 against 71.64 in Sierra Leone as of 2023.
What is the difference in age dependency ratio projected to 2100 between Sao Tome and Principe and Sierra Leone?
1.22, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?
74 years are reported by both, from 1950 to 2023.
How do Sao Tome and Principe and Sierra Leone rank globally for age dependency ratio projected to 2100?
Sao Tome and Principe ranks 41st and Sierra Leone ranks 43rd of 229 countries.
Where does this data come from?
Our World in Data, published as Age dependency ratio projected to 2100. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sao Tome and Principe vs Sierra Leone: Age dependency ratio projected to 2100. Statizoid, drawing on Our World in Data. Retrieved 21 August 2026, from https://reference.statizoid.com/compare/age-dependency-ratio-projected-to-2100/sao-tome-and-principe/sierra-leone/

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About this data

Indicator
Age dependency ratio projected to 2100
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed