Average nitrate concentration in freshwater in Denmark
Denmark: Average nitrate concentration in freshwater was 20.05 milligrams per liter in 2021. ▬ Flat
Latest (2021)
20.05 milligrams per liter
Change on year
up 0.5%
World rank
11th
of 34 countries
All-time high
25.35 milligrams per liter
in 2015
All-time low
19.96 milligrams per liter
in 2020
Years of data
30
1992–2021
Average nitrate concentration in freshwater in Denmark, 1992–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
Denmark recorded 20.05 milligrams per liter for average nitrate concentration in freshwater in 2021.
The figure is up 0.5% on the previous year and down 20.5% over ten years.
Over the whole period, average nitrate concentration in freshwater in Denmark peaked at 25.35 milligrams per liter in 2015 and was at its lowest, 19.96 milligrams per liter, in 2020.
That places Denmark 11th out of 34 countries with data for 2021, putting it in the middle of the range.
Average nitrate concentration in freshwater in Denmark, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 1992 | 23.72 milligrams per liter | — |
| 1993 | 23.67 milligrams per liter | -0.2% |
| 1994 | 23.21 milligrams per liter | -1.9% |
| 1995 | 24.01 milligrams per liter | +3.4% |
| 1996 | 23.16 milligrams per liter | -3.5% |
| 1997 | 22.93 milligrams per liter | -1.0% |
| 1998 | 23.82 milligrams per liter | +3.9% |
| 1999 | 23.7 milligrams per liter | -0.5% |
| 2000 | 22.87 milligrams per liter | -3.5% |
| 2001 | 22.85 milligrams per liter | -0.1% |
| 2002 | 21.77 milligrams per liter | -4.7% |
| 2003 | 21.33 milligrams per liter | -2.1% |
| 2004 | 24.52 milligrams per liter | +15.0% |
| 2005 | 24.8 milligrams per liter | +1.1% |
| 2006 | 23.82 milligrams per liter | -3.9% |
| 2007 | 24.21 milligrams per liter | +1.6% |
| 2008 | 23.78 milligrams per liter | -1.8% |
| 2009 | 23.61 milligrams per liter | -0.7% |
| 2010 | 23.92 milligrams per liter | +1.3% |
| 2011 | 25.24 milligrams per liter | +5.5% |
| 2012 | 24.87 milligrams per liter | -1.4% |
| 2013 | 24.87 milligrams per liter | -0.0% |
| 2014 | 24.62 milligrams per liter | -1.0% |
| 2015 | 25.35 milligrams per liter | +3.0% |
| 2016 | 23.16 milligrams per liter | -8.6% |
| 2017 | 22.49 milligrams per liter | -2.9% |
| 2018 | 23.17 milligrams per liter | +3.0% |
| 2019 | 22.69 milligrams per liter | -2.1% |
| 2020 | 19.96 milligrams per liter | -12.0% |
| 2021 | 20.05 milligrams per liter | +0.5% |
Denmark compared with similar countries
- Denmark's 20.05 milligrams per liter is above the median for Europe & Central Asia, which is 15.9 milligrams per liter, 1.3× the median. (34 countries reporting)
- Denmark's 20.05 milligrams per liter is above the median for high income countries, which is 16.12 milligrams per liter, 1.2× the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 23.53 milligrams per liter | 22.93 milligrams per liter | 24.01 milligrams per liter | 8 |
| 2000s | 23.36 milligrams per liter | 21.33 milligrams per liter | 24.8 milligrams per liter | 10 |
| 2010s | 24.04 milligrams per liter | 22.49 milligrams per liter | 25.35 milligrams per liter | 10 |
| 2020s | 20.01 milligrams per liter | 19.96 milligrams per liter | 20.05 milligrams per liter | 2 |
Countries ranked near Denmark
More environment data for Denmark
- Historical exposure to drought — Land soil moisture anomaly -2.66 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -2.67 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.696 °C (2025)
- Temperature change 2.29 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -1.75 % 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 0.0189 % 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 nitrate concentration in freshwater in Denmark?
- Average nitrate concentration in freshwater in Denmark was 20.05 milligrams per liter in 2021, according to European Environment Agency (2023) – with minor processing by Our World in Data.
- What is the highest average nitrate concentration in freshwater recorded in Denmark?
- The highest recorded value was 25.35 milligrams per liter in 2015.
- What is the lowest average nitrate concentration in freshwater recorded in Denmark?
- The lowest recorded value was 19.96 milligrams per liter in 2020.
- How does Denmark rank for average nitrate concentration in freshwater?
- Denmark ranks 11th out of 34 countries with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Denmark?
- Over the last ten years it is down 20.5%. The long-run trend across the full record is flat.
- Where does this Denmark data come from?
- The figures come from European Environment Agency (2023) – with minor processing by Our World in Data, published as part of Average nitrate 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 nitrate in groundwater.