What is the difference in nitrate in groundwater between Denmark and Spain?

7.85 Milligrams per litre, with Spain ahead.

How many years of comparable data are there for Denmark and Spain?

17 years are reported by both, from 2007 to 2023.

Eurostat, published as Nitrate in groundwater. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Denmark

23.89 Milligrams per litre

in 2023

Spain

31.74 Milligrams per litre

in 2023

Denmark rank

4th

Spain rank

1st

Spain currently reports 31.74 Milligrams per litre against 23.89 Milligrams per litre in Denmark, a difference of 7.85 Milligrams per litre.

That makes Spain's figure about 1.3 times Denmark's.

Across all 17 years both countries report, Spain has been ahead every year.

Denmark ranks 4th and Spain ranks 1st of 24 countries.

Spain has averaged higher in every one of the 3 decades both report.

Decade	Denmark	Spain	Difference	Ahead
2000s	22.99 Milligrams per litre	37.95 Milligrams per litre	14.96 Milligrams per litre	Spain
2010s	22.93 Milligrams per litre	35.01 Milligrams per litre	12.08 Milligrams per litre	Spain
2020s	23.91 Milligrams per litre	32.58 Milligrams per litre	8.68 Milligrams per litre	Spain

Averages of every year both report within each decade.

Which has higher nitrate in groundwater, Denmark or Spain?: Spain, at 31.74 Milligrams per litre against 23.89 Milligrams per litre in Denmark as of 2023.
What is the difference in nitrate in groundwater between Denmark and Spain?: 7.85 Milligrams per litre, with Spain ahead.
How many years of comparable data are there for Denmark and Spain?: 17 years are reported by both, from 2007 to 2023.
How do Denmark and Spain rank globally for nitrate in groundwater?: Denmark ranks 4th and Spain ranks 1st of 24 countries.
Where does this data come from?: Eurostat, published as Nitrate in groundwater. Statizoid refreshes it automatically from the source and publishes the full history for both places.