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

1.78 Milligrams per litre, with Spain ahead.

How many years of comparable data are there for Belgium 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.

Belgium

29.96 Milligrams per litre

in 2023

Spain

31.74 Milligrams per litre

in 2023

Belgium rank

2nd

Spain rank

1st

Spain currently reports 31.74 Milligrams per litre against 29.96 Milligrams per litre in Belgium, a difference of 1.78 Milligrams per litre.

That makes Spain's figure about 1.1 times Belgium's.

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

Belgium ranks 2nd and Spain ranks 1st of 24 countries.

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

Decade	Belgium	Spain	Difference	Ahead
2000s	32.86 Milligrams per litre	37.95 Milligrams per litre	5.09 Milligrams per litre	Spain
2010s	31.01 Milligrams per litre	35.01 Milligrams per litre	4 Milligrams per litre	Spain
2020s	30.23 Milligrams per litre	32.58 Milligrams per litre	2.36 Milligrams per litre	Spain

Averages of every year both report within each decade.

Which has higher nitrate in groundwater, Belgium or Spain?: Spain, at 31.74 Milligrams per litre against 29.96 Milligrams per litre in Belgium as of 2023.
What is the difference in nitrate in groundwater between Belgium and Spain?: 1.78 Milligrams per litre, with Spain ahead.
How many years of comparable data are there for Belgium and Spain?: 17 years are reported by both, from 2007 to 2023.
How do Belgium and Spain rank globally for nitrate in groundwater?: Belgium ranks 2nd 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.