Average ammonium concentration in freshwater in Norway
Norway: Average ammonium concentration in freshwater was 0.0112 milligrams per liter in 2021. ▼ Falling
Latest (2021)
0.0112 milligrams per liter
Change on year
up 32.7%
World rank
30th
of 32 countries
All-time high
0.0264 milligrams per liter
in 1993
All-time low
0.0062 milligrams per liter
in 1997
Years of data
30
1992–2021
Average ammonium concentration in freshwater in Norway, 1992–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
In 2021, average ammonium concentration in freshwater in Norway stood at 0.0112 milligrams per liter.
Compared with earlier readings it is up 32.7% on the previous year and down 41.5% over ten years.
Over the whole period, average ammonium concentration in freshwater in Norway peaked at 0.0264 milligrams per liter in 1993 and was at its lowest, 0.0062 milligrams per liter, in 1997.
Norway ranks 30th of 32 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 30 years of available data.
Average ammonium concentration in freshwater in Norway, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 1992 | 0.0119 milligrams per liter | — |
| 1993 | 0.0264 milligrams per liter | +122.4% |
| 1994 | 0.0205 milligrams per liter | -22.5% |
| 1995 | 0.0193 milligrams per liter | -5.5% |
| 1996 | 0.0193 milligrams per liter | +0.0% |
| 1997 | 0.0062 milligrams per liter | -67.9% |
| 1998 | 0.0113 milligrams per liter | +81.3% |
| 1999 | 0.0163 milligrams per liter | +44.8% |
| 2000 | 0.0101 milligrams per liter | -38.1% |
| 2001 | 0.0078 milligrams per liter | -23.1% |
| 2002 | 0.0069 milligrams per liter | -11.4% |
| 2003 | 0.0098 milligrams per liter | +42.1% |
| 2004 | 0.0085 milligrams per liter | -12.9% |
| 2005 | 0.0073 milligrams per liter | -14.5% |
| 2006 | 0.0078 milligrams per liter | +7.0% |
| 2007 | 0.008 milligrams per liter | +2.6% |
| 2008 | 0.0091 milligrams per liter | +13.3% |
| 2009 | 0.0119 milligrams per liter | +31.5% |
| 2010 | 0.0098 milligrams per liter | -17.7% |
| 2011 | 0.0191 milligrams per liter | +94.5% |
| 2012 | 0.0187 milligrams per liter | -1.9% |
| 2013 | 0.0197 milligrams per liter | +5.4% |
| 2014 | 0.0101 milligrams per liter | -48.7% |
| 2015 | 0.0067 milligrams per liter | -33.8% |
| 2016 | 0.0079 milligrams per liter | +18.6% |
| 2017 | 0.0085 milligrams per liter | +6.6% |
| 2018 | 0.0092 milligrams per liter | +9.0% |
| 2019 | 0.008 milligrams per liter | -12.8% |
| 2020 | 0.0084 milligrams per liter | +4.5% |
| 2021 | 0.0112 milligrams per liter | +32.7% |
Norway compared with similar countries
- Norway's 0.0112 milligrams per liter is below the median for Europe & Central Asia, which is 0.0703 milligrams per liter, 16% of the median. (31 countries reporting)
- Norway's 0.0112 milligrams per liter is below the median for high income countries, which is 0.0673 milligrams per liter, 17% of the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.0164 milligrams per liter | 0.0062 milligrams per liter | 0.0264 milligrams per liter | 8 |
| 2000s | 0.0087 milligrams per liter | 0.0069 milligrams per liter | 0.0119 milligrams per liter | 10 |
| 2010s | 0.0118 milligrams per liter | 0.0067 milligrams per liter | 0.0197 milligrams per liter | 10 |
| 2020s | 0.0098 milligrams per liter | 0.0084 milligrams per liter | 0.0112 milligrams per liter | 2 |
Countries ranked near Norway
- 27 Bosnia and Herzegovina 0.0214 milligrams per liter compare
- 28 Finland 0.0211 milligrams per liter compare
- 29 Croatia 0.0194 milligrams per liter compare
- 31 Switzerland 0.0094 milligrams per liter compare
- 32 Iceland 0.0031 milligrams per liter compare
More environment data for Norway
- Historical exposure to drought — Land soil moisture anomaly 0.9857 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 0.8118 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.738 °C (2025)
- Temperature change 2.52 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.08 % 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 -0.28 % 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 average ammonium concentration in freshwater in Norway?
- Average ammonium concentration in freshwater in Norway was 0.0112 milligrams per liter in 2021, according to European Environment Agency (2023) – with minor processing by Our World in Data.
- What is the highest average ammonium concentration in freshwater recorded in Norway?
- The highest recorded value was 0.0264 milligrams per liter in 1993.
- What is the lowest average ammonium concentration in freshwater recorded in Norway?
- The lowest recorded value was 0.0062 milligrams per liter in 1997.
- How does Norway rank for average ammonium concentration in freshwater?
- Norway ranks 30th out of 32 countries with data for 2021.
- Is average ammonium concentration in freshwater rising or falling in Norway?
- Over the last ten years it is down 41.5%. The long-run trend across the full record is falling.
- Where does this Norway data come from?
- The figures come from European Environment Agency (2023) – with minor processing by Our World in Data, published as part of Average ammonium concentration in freshwater. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 30 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of ammonium in lakes.