headcount.earth -6,544,849

Homo sapiens; growth slowing toward a projected peak

Register Annex reserved
Specimen · SLE

Sierra Leone

Africa · Western Africa

Sierra Leone is recorded at 8.64m people in 2024, with total annual change of +178,235 under the WPP medium variant.

PLATE 694 · SLE

Sierra Leone

SLE · SL
HOLDING
population 8.64m
annual change +178,235
natural change +189,239
fertility 3.70
migrant share 0.6%

The Slowing · peak 2092 · generated 2026-06-26

IMS 2024 · foreign-born · stock 50.0k

parity_check POP/DB/WPP/Rev.2024/GEN/F01/Rev.1 · IMS 2024 Rev.2024 CC BY 3.0 IGO where matched · World Bank WDI CC BY 4.0

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population decomposition

2024

Population identity: births minus deaths plus net migration equals total change within the Record tolerance.

Population decomposition for Sierra Leone in 2024
Births 260,194
Deaths -70,955
Natural change +189,239
Net migration -11,000
Total change +178,235
time anchors

+7,292,234

Change from 2024 to the WPP medium-variant 2100 endpoint.

Time anchors for Sierra Leone
This year +178,235
Since peak -7,367,614 since 2092
Projected 2100 15.93m
Vanishing Point

not applicable

Current-rate extrapolation, not a forecast; WPP medium-variant projections remain the page baseline.

migrant share

0.6%

foreign-born; working-age share is not published in IMS 2024.

PROVISIONAL

Latest reported

No reviewed Layer 2 dispatch is attached to this country record.

population pyramid

Observed / 2050 / 2100

WPP single-age population by sex, rendered as 5-year pyramid bands from the 101-bin canonical arrays.

Observed 2023 8.46m

Sierra Leone 2023 pyramid: male and female single-age arrays cover 101 age bins; ages 0-14 3.26m, ages 15-64 4.93m, ages 65+ 271.3k.

0-14
3.26m
15-64
4.93m
65+
271.3k
2050 2050 12.95m

Sierra Leone 2050 pyramid: male and female single-age arrays cover 101 age bins; ages 0-14 3.65m, ages 15-64 8.58m, ages 65+ 711.6k.

0-14
3.65m
15-64
8.58m
65+
711.6k
2100 2100 15.93m

Sierra Leone 2100 pyramid: male and female single-age arrays cover 101 age bins; ages 0-14 3.01m, ages 15-64 10.45m, ages 65+ 2.47m.

0-14
3.01m
15-64
10.45m
65+
2.47m
stage

The Slowing

Stage since 2024.

crossover

2099

First year deaths exceed births, if reached in the series.

working-age support

18.09

Potential support ratio: ages 15-64 per person aged 65+. Working-age peak: 2087.

source

POP/DB/WPP/Rev.2024/GEN/F01/Rev.1

Generated 2026-06-26. Last observed year: 2023.

Selected annual series preview · WPP 2024 medium variant
Year Population Change Births Deaths TFR
2024 8.64m 178,235 260.2k 71.0k 3.70
2030 9.69m 173,858 262.8k 75.9k 3.23
2050 12.95m 144,752 260.8k 103.7k 2.45
2080 15.75m 37,831 226.3k 172.5k 2.00
2100 15.93m -21,855 199.0k 203.9k 1.87