Sierra Leone vs Tanzania: Age dependency breakdown

Sierra Leone
5.5%
in 2023
Tanzania
5.6%
in 2023
Sierra Leone rank
205th
Tanzania rank
202nd

Age dependency breakdown over time

  • Sierra Leone
  • Tanzania
02468195019862023

How they compare

Tanzania currently reports 5.6% against 5.5% in Sierra Leone, a difference of 0.1%.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Sierra Leone ahead.

Sierra Leone ranks 205th and Tanzania ranks 202nd of 236 countries.

Across the 8 decades both report, Sierra Leone averaged higher in 7 and Tanzania in 1.

Head to head by decade

Decade Sierra Leone Tanzania Difference Ahead
1950s 5.9% 4.4% 1.5% Sierra Leone
1960s 7.0% 4.7% 2.3% Sierra Leone
1970s 7.6% 5.3% 2.3% Sierra Leone
1980s 7.6% 6.0% 1.6% Sierra Leone
1990s 7.1% 5.6% 1.5% Sierra Leone
2000s 6.4% 5.2% 1.2% Sierra Leone
2010s 5.8% 5.6% 0.3% Sierra Leone
2020s 5.5% 5.6% 0.1% Tanzania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher age dependency breakdown, Sierra Leone or Tanzania?
Tanzania, at 5.6% against 5.5% in Sierra Leone as of 2023.
What is the difference in age dependency breakdown between Sierra Leone and Tanzania?
0.1%, with Tanzania ahead.
How many years of comparable data are there for Sierra Leone and Tanzania?
74 years are reported by both, from 1950 to 2023.
How do Sierra Leone and Tanzania rank globally for age dependency breakdown?
Sierra Leone ranks 205th and Tanzania ranks 202nd of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Age dependency breakdown. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sierra Leone vs Tanzania: Age dependency breakdown. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/age-dependency-breakdown/sierra-leone/tanzania/

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About this data

Indicator
Age dependency breakdown
Unit
%
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Number of people aged 65 and over per 100 working-age people (aged 15 to 64).