Is swine — manure management (manure treated, n content), per unit of gdp rising or falling in Tonga?

Over the last ten years it is down 22.1%. The long-run trend across the full record is volatile.

Swine — Manure management (manure treated, N content), per unit of GDP in Tonga

Name: Swine — Manure management (manure treated, N content), per unit of GDP in Tonga
Creator: Statizoid (derived)
License: Derived by Statizoid from the sources named on the page

Tonga: Swine — Manure management (manure treated, N content), per unit of GDP was 0.0015 kg per US$ of GDP in 2023. ◆ Volatile

Latest (2023)

0.0015 kg per US$ of GDP

Change on year

down 5.8%

World rank

8th

of 149 countries

All-time high

0.0256 kg per US$ of GDP

in 1978

All-time low

0.0015 kg per US$ of GDP

in 2023

Years of data

1975–2023

Swine — Manure management (manure treated, N content), per unit of GDP in Tonga, 1975–2023

Source: Statizoid (derived). Measured in kg per US$ of GDP.

Analysis

The most recent figure for swine — manure management (manure treated, n content), per unit of gdp in Tonga is 0.0015 kg per US$ of GDP, measured in 2023. That is the lowest value across all 49 years on record.

The figure is down 5.8% on the previous year and down 22.1% over ten years.

Over the whole period, swine — manure management (manure treated, n content), per unit of gdp in Tonga peaked at 0.0256 kg per US$ of GDP in 1978 and was at its lowest, 0.0015 kg per US$ of GDP, in 2023.

That places Tonga 8th out of 149 countries with data for 2023, putting it in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Swine — Manure management (manure treated, N content), per unit of GDP in Tonga, year by year

Annual values for Swine — Manure management (manure treated, N content), per unit of GDP in Tonga, 1975 to 2023.
Year	kg per US$ of GDP	Change
1975	0.0168 kg per US$ of GDP	—
1976	0.0238 kg per US$ of GDP	+41.8%
1977	0.0254 kg per US$ of GDP	+6.5%
1978	0.0256 kg per US$ of GDP	+1.0%
1979	0.0239 kg per US$ of GDP	-6.7%
1980	0.0204 kg per US$ of GDP	-14.8%
1981	0.0206 kg per US$ of GDP	+1.0%
1982	0.0182 kg per US$ of GDP	-11.6%
1983	0.0152 kg per US$ of GDP	-16.2%
1984	0.0111 kg per US$ of GDP	-27.2%
1985	0.0146 kg per US$ of GDP	+31.7%
1986	0.0143 kg per US$ of GDP	-2.0%
1987	0.014 kg per US$ of GDP	-2.6%
1988	0.0122 kg per US$ of GDP	-12.5%
1989	0.0096 kg per US$ of GDP	-21.7%
1990	0.009 kg per US$ of GDP	-6.4%
1991	0.0077 kg per US$ of GDP	-14.1%
1992	0.0074 kg per US$ of GDP	-3.2%
1993	0.0073 kg per US$ of GDP	-1.6%
1994	0.005 kg per US$ of GDP	-32.0%
1995	0.0042 kg per US$ of GDP	-15.7%
1996	0.004 kg per US$ of GDP	-5.8%
1997	0.0041 kg per US$ of GDP	+3.3%
1998	0.0046 kg per US$ of GDP	+12.3%
1999	0.0044 kg per US$ of GDP	-3.9%
2000	0.0043 kg per US$ of GDP	-2.8%
2001	0.0049 kg per US$ of GDP	+13.1%
2002	0.0048 kg per US$ of GDP	-0.9%
2003	0.0043 kg per US$ of GDP	-9.6%
2004	0.0038 kg per US$ of GDP	-12.3%
2005	0.0034 kg per US$ of GDP	-11.9%
2006	0.003 kg per US$ of GDP	-10.4%
2007	0.003 kg per US$ of GDP	-1.9%
2008	0.0026 kg per US$ of GDP	-13.3%
2009	0.0028 kg per US$ of GDP	+10.3%
2010	0.0024 kg per US$ of GDP	-14.8%
2011	0.0021 kg per US$ of GDP	-11.4%
2012	0.0019 kg per US$ of GDP	-11.2%
2013	0.002 kg per US$ of GDP	+4.9%
2014	0.002 kg per US$ of GDP	+3.1%
2015	0.0021 kg per US$ of GDP	+1.2%
2016	0.0022 kg per US$ of GDP	+4.2%
2017	0.002 kg per US$ of GDP	-8.3%
2018	0.0018 kg per US$ of GDP	-6.6%
2019	0.0018 kg per US$ of GDP	-2.3%
2020	0.0018 kg per US$ of GDP	-0.5%
2021	0.0018 kg per US$ of GDP	-2.2%
2022	0.0016 kg per US$ of GDP	-6.6%
2023	0.0015 kg per US$ of GDP	-5.8%

Tonga compared with similar countries

Tonga's 0.0015 kg per US$ of GDP is above the median for upper middle income countries, which is 0.0001 kg per US$ of GDP, 14.0× the median. (47 countries reporting)
Tonga's 0.0015 kg per US$ of GDP is above the median for East Asia & Pacific, which is 0.0001 kg per US$ of GDP, 15.6× the median. (23 countries reporting)

Averages by decade

Decade	Average	Lowest	Highest	Years
1970s	0.0231 kg per US$ of GDP	0.0168 kg per US$ of GDP	0.0256 kg per US$ of GDP	5
1980s	0.015 kg per US$ of GDP	0.0096 kg per US$ of GDP	0.0206 kg per US$ of GDP	10
1990s	0.0058 kg per US$ of GDP	0.004 kg per US$ of GDP	0.009 kg per US$ of GDP	10
2000s	0.0037 kg per US$ of GDP	0.0026 kg per US$ of GDP	0.0049 kg per US$ of GDP	10
2010s	0.002 kg per US$ of GDP	0.0018 kg per US$ of GDP	0.0024 kg per US$ of GDP	10
2020s	0.0017 kg per US$ of GDP	0.0015 kg per US$ of GDP	0.0018 kg per US$ of GDP	4

Countries ranked near Tonga

5 Tuvalu 0.0032 kg per US$ of GDP compare
6 Madagascar 0.0022 kg per US$ of GDP compare
7 Togo 0.0018 kg per US$ of GDP compare
9 Uganda 0.0015 kg per US$ of GDP compare
10 Burkina Faso 0.0011 kg per US$ of GDP compare
11 Samoa 0.001 kg per US$ of GDP compare

See the full ranking of 151 places →

More environment data for Tonga

Standard Deviation, annual growth rate 0 % change on previous year (2025)
Standard Deviation 0.234 °C (2025)
Temperature change 0.858 °C (2025)
Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 3.06 % 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 0.1689 % change on previous year (2024)
Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual 0 % change on previous year (2024)

All data for Tonga →

Frequently asked questions

What is swine — manure management (manure treated, n content), per unit of gdp in Tonga?: Swine — manure management (manure treated, n content), per unit of gdp in Tonga was 0.0015 kg per US$ of GDP in 2023, according to Statizoid (derived).
What is the highest swine — manure management (manure treated, n content), per unit of gdp recorded in Tonga?: The highest recorded value was 0.0256 kg per US$ of GDP in 1978.
What is the lowest swine — manure management (manure treated, n content), per unit of gdp recorded in Tonga?: The lowest recorded value was 0.0015 kg per US$ of GDP in 2023.
How does Tonga rank for swine — manure management (manure treated, n content), per unit of gdp?: Tonga ranks 8th out of 149 countries with data for 2023.
Is swine — manure management (manure treated, n content), per unit of gdp rising or falling in Tonga?: Over the last ten years it is down 22.1%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?: The figures come from Statizoid (derived), published as part of Swine — Manure management (manure treated, N content), per unit of GDP. Statizoid updates them automatically from the source API.

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Swine — Manure management (manure treated, N content), per unit of GDP in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 02 October 2026, from https://environment.statizoid.com/stat/swine-manure-management-manure-treated-n-content-per-unit-of-gdp/tonga/

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How this figure is calculated

Swine — Manure management (manure treated, N content) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Swine — Manure management (manure treated, N content) ÷ GDP (current US$)

Computed from

Swine — Manure management Food and Agriculture Organization of the United Nations
GDP Country official statistics, National Statistical Organizations and/or Central Banks

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

Indicator: Swine — Manure management (manure treated, N content), per unit of GDP
Unit: kg per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 151 places, 8,190 data points, 1961–2023
Last refreshed: 26 September 2026

Swine — Manure management (manure treated, N content) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.