How have things changed?, per square kilometre in Sierra Leone
Sierra Leone: How have things changed?, per square kilometre was 2.87 metric tons per square kilometre in 2023. ◆ Volatile
Latest (2023)
2.87 metric tons per square kilometre
Change on year
down 3.8%
World rank
61st
of 215 countries
All-time high
2.98 metric tons per square kilometre
in 2022
All-time low
0.3256 metric tons per square kilometre
in 1968
Years of data
59
1965–2023
How have things changed?, per square kilometre in Sierra Leone, 1965–2023
Source: Statizoid (derived). Measured in metric tons per square kilometre.
Analysis
The most recent figure for how have things changed?, per square kilometre in Sierra Leone is 2.87 metric tons per square kilometre, measured in 2023.
The figure is down 3.8% on the previous year and up 1.0% over ten years.
Over the whole period, how have things changed?, per square kilometre in Sierra Leone peaked at 2.98 metric tons per square kilometre in 2022 and was at its lowest, 0.3256 metric tons per square kilometre, in 1968.
Sierra Leone ranks 61st of 215 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
How have things changed?, per square kilometre in Sierra Leone, year by year
| Year | metric tons per square kilometre | Change |
|---|---|---|
| 1965 | 0.4516 metric tons per square kilometre | — |
| 1966 | 0.4461 metric tons per square kilometre | -1.2% |
| 1967 | 0.4655 metric tons per square kilometre | +4.3% |
| 1968 | 0.3256 metric tons per square kilometre | -30.1% |
| 1969 | 0.3533 metric tons per square kilometre | +8.5% |
| 1970 | 0.4302 metric tons per square kilometre | +21.8% |
| 1971 | 0.4316 metric tons per square kilometre | +0.3% |
| 1972 | 0.7083 metric tons per square kilometre | +64.1% |
| 1973 | 0.9347 metric tons per square kilometre | +32.0% |
| 1974 | 0.9553 metric tons per square kilometre | +2.2% |
| 1975 | 0.9542 metric tons per square kilometre | -0.1% |
| 1976 | 0.7699 metric tons per square kilometre | -19.3% |
| 1977 | 0.7696 metric tons per square kilometre | -0.0% |
| 1978 | 0.7268 metric tons per square kilometre | -5.6% |
| 1979 | 0.7979 metric tons per square kilometre | +9.8% |
| 1980 | 0.6787 metric tons per square kilometre | -14.9% |
| 1981 | 0.6908 metric tons per square kilometre | +1.8% |
| 1982 | 0.7196 metric tons per square kilometre | +4.2% |
| 1983 | 0.694 metric tons per square kilometre | -3.6% |
| 1984 | 0.7159 metric tons per square kilometre | +3.2% |
| 1985 | 0.7264 metric tons per square kilometre | +1.5% |
| 1986 | 0.7236 metric tons per square kilometre | -0.4% |
| 1987 | 0.7221 metric tons per square kilometre | -0.2% |
| 1988 | 0.7231 metric tons per square kilometre | +0.1% |
| 1989 | 0.7222 metric tons per square kilometre | -0.1% |
| 1990 | 0.7835 metric tons per square kilometre | +8.5% |
| 1991 | 0.9111 metric tons per square kilometre | +16.3% |
| 1992 | 0.9494 metric tons per square kilometre | +4.2% |
| 1993 | 0.9186 metric tons per square kilometre | -3.2% |
| 1994 | 0.8654 metric tons per square kilometre | -5.8% |
| 1995 | 0.8991 metric tons per square kilometre | +3.9% |
| 1996 | 0.9329 metric tons per square kilometre | +3.8% |
| 1997 | 1.01 metric tons per square kilometre | +7.9% |
| 1998 | 0.8741 metric tons per square kilometre | -13.2% |
| 1999 | 0.8235 metric tons per square kilometre | -5.8% |
| 2000 | 1.04 metric tons per square kilometre | +25.8% |
| 2001 | 1.04 metric tons per square kilometre | +0.6% |
| 2002 | 1.15 metric tons per square kilometre | +10.3% |
| 2003 | 1.33 metric tons per square kilometre | +15.6% |
| 2004 | 1.84 metric tons per square kilometre | +38.1% |
| 2005 | 1.98 metric tons per square kilometre | +8.0% |
| 2006 | 2 metric tons per square kilometre | +0.8% |
| 2007 | 1.93 metric tons per square kilometre | -3.2% |
| 2008 | 2.74 metric tons per square kilometre | +41.6% |
| 2009 | 2.76 metric tons per square kilometre | +0.7% |
| 2010 | 2.77 metric tons per square kilometre | +0.5% |
| 2011 | 2.8 metric tons per square kilometre | +1.0% |
| 2012 | 2.82 metric tons per square kilometre | +0.7% |
| 2013 | 2.84 metric tons per square kilometre | +0.7% |
| 2014 | 2.86 metric tons per square kilometre | +0.7% |
| 2015 | 2.8 metric tons per square kilometre | -2.1% |
| 2016 | 2.8 metric tons per square kilometre | +0.0% |
| 2017 | 2.8 metric tons per square kilometre | +0.0% |
| 2018 | 2.8 metric tons per square kilometre | +0.0% |
| 2019 | 2.8 metric tons per square kilometre | +0.0% |
| 2020 | 2.78 metric tons per square kilometre | -0.7% |
| 2021 | 2.84 metric tons per square kilometre | +2.1% |
| 2022 | 2.98 metric tons per square kilometre | +5.0% |
| 2023 | 2.87 metric tons per square kilometre | -3.8% |
Sierra Leone compared with similar countries
- Sierra Leone's 2.87 metric tons per square kilometre is above the median for low income countries, which is 0.158 metric tons per square kilometre, 18.2× the median. (25 countries reporting)
- Sierra Leone's 2.87 metric tons per square kilometre is above the median for Sub-Saharan Africa, which is 0.4382 metric tons per square kilometre, 6.5× the median. (48 countries reporting)
Biggest year-on-year movements
Years where How have things changed?, per square kilometre in Sierra Leone changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1972 | +64.1% | 0.4316 metric tons per square kilometre | 0.7083 metric tons per square kilometre |
| 2008 | +41.6% | 1.93 metric tons per square kilometre | 2.74 metric tons per square kilometre |
| 2004 | +38.1% | 1.33 metric tons per square kilometre | 1.84 metric tons per square kilometre |
| 1973 | +32.0% | 0.7083 metric tons per square kilometre | 0.9347 metric tons per square kilometre |
| 1968 | -30.1% | 0.4655 metric tons per square kilometre | 0.3256 metric tons per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.4084 metric tons per square kilometre | 0.3256 metric tons per square kilometre | 0.4655 metric tons per square kilometre | 5 |
| 1970s | 0.7478 metric tons per square kilometre | 0.4302 metric tons per square kilometre | 0.9553 metric tons per square kilometre | 10 |
| 1980s | 0.7116 metric tons per square kilometre | 0.6787 metric tons per square kilometre | 0.7264 metric tons per square kilometre | 10 |
| 1990s | 0.8964 metric tons per square kilometre | 0.7835 metric tons per square kilometre | 1.01 metric tons per square kilometre | 10 |
| 2000s | 1.78 metric tons per square kilometre | 1.04 metric tons per square kilometre | 2.76 metric tons per square kilometre | 10 |
| 2010s | 2.81 metric tons per square kilometre | 2.77 metric tons per square kilometre | 2.86 metric tons per square kilometre | 10 |
| 2020s | 2.87 metric tons per square kilometre | 2.78 metric tons per square kilometre | 2.98 metric tons per square kilometre | 4 |
Countries ranked near Sierra Leone
- 58 Panama 3.12 metric tons per square kilometre compare
- 59 Georgia 3.07 metric tons per square kilometre compare
- 60 Gibraltar 2.87 metric tons per square kilometre compare
- 62 Peru 2.83 metric tons per square kilometre compare
- 63 Senegal 2.76 metric tons per square kilometre compare
- 64 Saint Kitts and Nevis 2.61 metric tons per square kilometre compare
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is how have things changed?, per square kilometre in Sierra Leone?
- How have things changed?, per square kilometre in Sierra Leone was 2.87 metric tons per square kilometre in 2023, according to Statizoid (derived).
- What is the highest how have things changed?, per square kilometre recorded in Sierra Leone?
- The highest recorded value was 2.98 metric tons per square kilometre in 2022.
- What is the lowest how have things changed?, per square kilometre recorded in Sierra Leone?
- The lowest recorded value was 0.3256 metric tons per square kilometre in 1968.
- How does Sierra Leone rank for how have things changed?, per square kilometre?
- Sierra Leone ranks 61st out of 215 countries with data for 2023.
- Is how have things changed?, per square kilometre rising or falling in Sierra Leone?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is volatile.
- Where does this Sierra Leone data come from?
- The figures come from Statizoid (derived), published as part of How have things changed?, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 59 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
How have things changed? divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
How have things changed? ÷ Land area (sq. km)
Computed from
- How have things changed? Food and Agriculture Organization of the United Nations (FAO), via World Bank (2026) – processed by Our World in Data
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
How have things changed? divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.