Sierra Leone 1970s: one-party republic, APC era indicators

Avg GDP $657.93M Avg Population 2.95M Avg Life Expectancy 40.66 years Indicators covered 16 Indicator Aggregates by Pillar Environment IndicatorDecade MeanLowHighObs. Agricultural Land (% of land area) 37.24 36.91 37.67 10 Average Precipitation (mm/year) 2,526 mm/year 2,526 mm/year…

Last updated: April 19, 2026

Avg GDP
$657.93M
Avg Population
2.95M
Avg Life Expectancy
40.66 years
Indicators covered
16

Indicator Aggregates by Pillar

Environment

Indicator Decade Mean Low High Obs.
Agricultural Land (% of land area) 37.24 36.91 37.67 10
Average Precipitation (mm/year) 2,526 mm/year 2,526 mm/year 2,526 mm/year 10
CO2 Emissions (metric tons per capita) 0.141 0.130 0.165 10
Land Area (sq. km) 72,180 sq. km 72,180 sq. km 72,180 sq. km 10
Other Greenhouse Gas Emissions 2.31 2.11 2.52 10

Health

Indicator Decade Mean Low High Obs.
Birth Rate (per 1,000 people) 47.22 per 1,000 47.00 per 1,000 47.43 per 1,000 10
Death Rate (per 1,000 people) 24.85 per 1,000 23.31 per 1,000 26.53 per 1,000 10
Life Expectancy at Birth (years) 40.66 years 38.62 years 42.53 years 10

Economic

Indicator Decade Mean Low High Obs.
GDP (current US$) 657.93M 419.55M 1.11B 10
Military Expenditure (% of GDP) 1.04 0.899 1.21 10
Real Interest Rate (%) -0.725 -12.36 16.04 10
Risk Premium on Lending (%) 3.48 2.50 5.50 10
Trade in Services (% of GDP) 8.64 7.68 9.36 3

Demographics

Indicator Decade Mean Low High Obs.
Population Density (people per sq. km) 40.90 per sq. km 37.58 per sq. km 44.44 per sq. km 10
Population, Total 2.95M people 2.71M people 3.21M people 10
Rural Population 2.14M people 2.05M people 2.25M people 10

Historical Context

The 1970s were defined by APC consolidation, the formal adoption of a republican constitution (1971), and the rising political weight of diamond revenues.

Key Events (1970–1979)

  • 1971: Sierra Leone becomes a republic; Stevens becomes first Executive President.
  • 1978: One-party state formalised by constitutional referendum.

Shift from 1960s to 1970s

Indicator Change in Decade Average
Real Interest Rate (%) -119.8%
GDP (current US$) +86.1%
Risk Premium on Lending (%) +45.8%
Military Expenditure (% of GDP) +35.9%
Population, Total +20.3%
Population Density (people per sq. km) +19.3%
Death Rate (per 1,000 people) -14.5%
Life Expectancy at Birth (years) +14.0%
Rural Population +9.6%
Agricultural Land (% of land area) +2.0%
Birth Rate (per 1,000 people) -1.6%
Average Precipitation (mm/year) +0.0%
Land Area (sq. km) +0.0%

Source: World Bank Development Data Group — values aggregated across the 1970s.

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