Biological fixation — Cropland nitrogen per unit area in Samoa
Samoa: Biological fixation — Cropland nitrogen per unit area was 0.0006 kg/ha in 2023. ▲ Rising
Biological fixation — Cropland nitrogen per unit area in Samoa, 1961–2023
Source: Food and Agriculture Organization of the United Nations. Measured in kg/ha.
Analysis
The most recent figure for biological fixation — cropland nitrogen per unit area in Samoa is 0.0006 kg/ha, measured in 2023.
That represents a change of up 20.0% over ten years.
Over the whole period, biological fixation — cropland nitrogen per unit area in Samoa peaked at 0.0008 kg/ha in 2008 and was at its lowest, 0.0003 kg/ha, in 1979.
That places Samoa 170th out of 176 countries with data for 2023, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 63 years of available data.
Biological fixation — Cropland nitrogen per unit area in Samoa, year by year
| Year | kg/ha | Change |
|---|---|---|
| 1961 | 0.0005 kg/ha | — |
| 1962 | 0.0004 kg/ha | -20.0% |
| 1963 | 0.0004 kg/ha | +0.0% |
| 1964 | 0.0004 kg/ha | +0.0% |
| 1965 | 0.0004 kg/ha | +0.0% |
| 1966 | 0.0004 kg/ha | +0.0% |
| 1967 | 0.0004 kg/ha | +0.0% |
| 1968 | 0.0004 kg/ha | +0.0% |
| 1969 | 0.0004 kg/ha | +0.0% |
| 1970 | 0.0004 kg/ha | +0.0% |
| 1971 | 0.0004 kg/ha | +0.0% |
| 1972 | 0.0004 kg/ha | +0.0% |
| 1973 | 0.0004 kg/ha | +0.0% |
| 1974 | 0.0004 kg/ha | +0.0% |
| 1975 | 0.0004 kg/ha | +0.0% |
| 1976 | 0.0004 kg/ha | +0.0% |
| 1977 | 0.0004 kg/ha | +0.0% |
| 1978 | 0.0004 kg/ha | +0.0% |
| 1979 | 0.0003 kg/ha | -25.0% |
| 1980 | 0.0003 kg/ha | +0.0% |
| 1981 | 0.0003 kg/ha | +0.0% |
| 1982 | 0.0003 kg/ha | +0.0% |
| 1983 | 0.0003 kg/ha | +0.0% |
| 1984 | 0.0003 kg/ha | +0.0% |
| 1985 | 0.0003 kg/ha | +0.0% |
| 1986 | 0.0003 kg/ha | +0.0% |
| 1987 | 0.0003 kg/ha | +0.0% |
| 1988 | 0.0003 kg/ha | +0.0% |
| 1989 | 0.0005 kg/ha | +66.7% |
| 1990 | 0.0005 kg/ha | +0.0% |
| 1991 | 0.0005 kg/ha | +0.0% |
| 1992 | 0.0005 kg/ha | +0.0% |
| 1993 | 0.0005 kg/ha | +0.0% |
| 1994 | 0.0005 kg/ha | +0.0% |
| 1995 | 0.0005 kg/ha | +0.0% |
| 1996 | 0.0005 kg/ha | +0.0% |
| 1997 | 0.0005 kg/ha | +0.0% |
| 1998 | 0.0005 kg/ha | +0.0% |
| 1999 | 0.0005 kg/ha | +0.0% |
| 2000 | 0.0006 kg/ha | +20.0% |
| 2001 | 0.0006 kg/ha | +0.0% |
| 2002 | 0.0006 kg/ha | +0.0% |
| 2003 | 0.0006 kg/ha | +0.0% |
| 2004 | 0.0006 kg/ha | +0.0% |
| 2005 | 0.0007 kg/ha | +16.7% |
| 2006 | 0.0007 kg/ha | +0.0% |
| 2007 | 0.0007 kg/ha | +0.0% |
| 2008 | 0.0008 kg/ha | +14.3% |
| 2009 | 0.0008 kg/ha | +0.0% |
| 2010 | 0.0007 kg/ha | -12.5% |
| 2011 | 0.0006 kg/ha | -14.3% |
| 2012 | 0.0005 kg/ha | -16.7% |
| 2013 | 0.0005 kg/ha | +0.0% |
| 2014 | 0.0004 kg/ha | -20.0% |
| 2015 | 0.0004 kg/ha | +0.0% |
| 2016 | 0.0004 kg/ha | +0.0% |
| 2017 | 0.0005 kg/ha | +25.0% |
| 2018 | 0.0005 kg/ha | +0.0% |
| 2019 | 0.0006 kg/ha | +20.0% |
| 2020 | 0.0006 kg/ha | +0.0% |
| 2021 | 0.0006 kg/ha | +0.0% |
| 2022 | 0.0006 kg/ha | +0.0% |
| 2023 | 0.0006 kg/ha | +0.0% |
Samoa compared with similar countries
- Samoa's 0.0006 kg/ha is below the median for upper middle income countries, which is 5.48 kg/ha, 0% of the median. (49 countries reporting)
- Samoa's 0.0006 kg/ha is below the median for East Asia & Pacific, which is 5.02 kg/ha, 0% of the median. (20 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0004 kg/ha | 0.0004 kg/ha | 0.0005 kg/ha | 9 |
| 1970s | 0.0004 kg/ha | 0.0003 kg/ha | 0.0004 kg/ha | 10 |
| 1980s | 0.0003 kg/ha | 0.0003 kg/ha | 0.0005 kg/ha | 10 |
| 1990s | 0.0005 kg/ha | 0.0005 kg/ha | 0.0005 kg/ha | 10 |
| 2000s | 0.0007 kg/ha | 0.0006 kg/ha | 0.0008 kg/ha | 10 |
| 2010s | 0.0005 kg/ha | 0.0004 kg/ha | 0.0007 kg/ha | 10 |
| 2020s | 0.0006 kg/ha | 0.0006 kg/ha | 0.0006 kg/ha | 4 |
Countries ranked near Samoa
- 167 French Polynesia 0.0683 kg/ha compare
- 168 Oman 0.0528 kg/ha compare
- 169 New Caledonia 0.0208 kg/ha compare
- 171 Antigua and Barbuda 0 kg/ha compare
- 171 Bahrain 0 kg/ha compare
- 171 China, Hong Kong SAR 0 kg/ha compare
- 171 Kuwait 0 kg/ha
- 171 Malta 0 kg/ha compare
- 171 Singapore 0 kg/ha compare
More environment data for Samoa
- Historical exposure to drought — Land soil moisture anomaly 0.3482 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.3183 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.23 °C (2025)
- Temperature change 0.919 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 2.68 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -2.51 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is biological fixation — cropland nitrogen per unit area in Samoa?
- Biological fixation — cropland nitrogen per unit area in Samoa was 0.0006 kg/ha in 2023, according to Food and Agriculture Organization of the United Nations.
- What is the highest biological fixation — cropland nitrogen per unit area recorded in Samoa?
- The highest recorded value was 0.0008 kg/ha in 2008.
- What is the lowest biological fixation — cropland nitrogen per unit area recorded in Samoa?
- The lowest recorded value was 0.0003 kg/ha in 1979.
- How does Samoa rank for biological fixation — cropland nitrogen per unit area?
- Samoa ranks 170th out of 176 countries with data for 2023.
- Is biological fixation — cropland nitrogen per unit area rising or falling in Samoa?
- Over the last ten years it is up 20.0%. The long-run trend across the full record is rising.
- Where does this Samoa data come from?
- The figures come from Food and Agriculture Organization of the United Nations, published as part of Biological fixation — Cropland nitrogen per unit area. Statizoid updates them automatically from the source API.
Download this data
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About this data
The Cropland Nutrient balance domain contains information on the flows of nitrogen, phosphorus, and potassium from mineral fertilizer, manure applied, atmospheric deposition, crop removal, and biological fixation over cropland and per unit area of cropland. The flows are aggregated to total inputs and total outputs, from which the overall nutrient balance and nutrient use efficiency on cropland are calculated. Statistics are disseminated in units of tonnes and in kg/ha, as appropriate. Nutrient use efficiency is expressed as a fraction (%).