Denmark vs Italy: Average nitrate concentration in freshwater

Denmark
20.05 milligrams per liter
in 2021
Italy
19.92 milligrams per liter
in 2021
Denmark rank
11th
Italy rank
12th

Average nitrate concentration in freshwater over time

  • Denmark
  • Italy
010203040199220062021

How they compare

Denmark currently reports 20.05 milligrams per liter against 19.92 milligrams per liter in Italy, a difference of 0.13 milligrams per liter.

The two have swapped places 5 times across 22 shared years of data; in 2000 it was Italy ahead.

Denmark ranks 11th and Italy ranks 12th of 34 countries.

Across the 3 decades both report, Denmark averaged higher in 2 and Italy in 1.

Head to head by decade

Decade Denmark Italy Difference Ahead
2000s 23.36 milligrams per liter 21.21 milligrams per liter 2.14 milligrams per liter Denmark
2010s 24.04 milligrams per liter 22.37 milligrams per liter 1.67 milligrams per liter Denmark
2020s 20.01 milligrams per liter 29.08 milligrams per liter 9.07 milligrams per liter Italy

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average nitrate concentration in freshwater, Denmark or Italy?
Denmark, at 20.05 milligrams per liter against 19.92 milligrams per liter in Italy as of 2021.
What is the difference in average nitrate concentration in freshwater between Denmark and Italy?
0.13 milligrams per liter, with Denmark ahead.
How many years of comparable data are there for Denmark and Italy?
22 years are reported by both, from 2000 to 2021.
How do Denmark and Italy rank globally for average nitrate concentration in freshwater?
Denmark ranks 11th and Italy ranks 12th of 34 countries.
Where does this data come from?
European Environment Agency (2023) – with minor processing by Our World in Data, published as Average nitrate concentration in freshwater. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Denmark vs Italy: Average nitrate concentration in freshwater. Statizoid, drawing on European Environment Agency (2023) – with minor processing by Our World in Data. Retrieved 23 September 2026, from https://environment.statizoid.com/compare/average-nitrate-concentration-in-freshwater/denmark/italy/

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About this data

Indicator
Average nitrate concentration in freshwater
Unit
milligrams per liter
Source
European Environment Agency (2023) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
34 places, 655 data points, 1992–2021
Last refreshed

Average annual concentration of nitrate in groundwater.