Sierra Leone in the 1960s: Development Indicators Summary

Sierra Leone across the 1960s: aggregated averages, peaks, and troughs computed from World Bank WDI coverage between 1960 and 1969. Decade Summary IndicatorDecade meanDecade lowDecade highObs. Agricultural Land (% of land area) 36.50 36.19 36.84 9 Average Precipitation…

Last updated: April 14, 2026

Sierra Leone across the 1960s: aggregated averages, peaks, and troughs
computed from World Bank WDI coverage between 1960 and 1969.

Decade Summary

Indicator Decade mean Decade low Decade high Obs.
Agricultural Land (% of land area) 36.50 36.19 36.84 9
Average Precipitation (mm/year) 2,526 mm/year 2,526 mm/year 2,526 mm/year 9
Birth Rate (per 1,000 people) 48.76 per 1,000 48.03 per 1,000 49.11 per 1,000 10
Death Rate (per 1,000 people) 28.88 per 1,000 26.99 per 1,000 30.61 per 1,000 10
GDP (current US$) 353.66M 322.15M 408.85M 10
Land Area (sq. km) 72,180 sq. km 72,180 sq. km 72,180 sq. km 9
Life Expectancy at Birth (years) 36.12 years 33.96 years 38.25 years 10
Military Expenditure (% of GDP) 0.764 0.693 0.873 9
Population Density (people per sq. km) 34.99 per sq. km 32.43 per sq. km 37.75 per sq. km 9
Population, Total 2.50M people 2.30M people 2.72M people 10
Real Interest Rate (%) 3.67 -5.40 14.71 5
Risk Premium on Lending (%) 2.38 2.00 2.50 5
Rural Population 2.00M people 1.90M people 2.09M people 10

Historical Context

The 1960s opened with Sierra Leone's independence on 27 April 1961, and closed with the one-party APC state consolidated under Siaka Stevens.

Key Sub-period Events

  • 1961: Sierra Leone gains independence from the United Kingdom.
  • 1967: Siaka Stevens elected Prime Minister; disputed results trigger military intervention.

Frequently Asked Questions

What was Sierra Leone's average GDP in the 1960s?

Averaged across the 1960s, Sierra Leone's GDP (current US$) was $353.66M, with a decade low of $322.15M and high of $408.85M.

What was average life expectancy in Sierra Leone during the 1960s?

Life expectancy at birth averaged 36.12 years across the 1960s (low 33.96, high 38.25).

How large was Sierra Leone's population in the 1960s?

Population averaged 2.50M across the 1960s, ranging from 2.30M to 2.72M.

Which political events defined Sierra Leone in the 1960s?

The 1960s opened with Sierra Leone's independence on 27 April 1961, and closed with the one-party APC state consolidated under Siaka Stevens. Specific events are listed in the Key Sub-period Events list above.

Source: World Bank Development Data Group — values aggregated across the 1960s.

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