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

2.56 Milligrams per litre, with Spain ahead.

How many years of comparable data are there for Bulgaria 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.

Bulgaria

29.18 Milligrams per litre

in 2023

Spain

31.74 Milligrams per litre

in 2023

Bulgaria rank

3rd

Spain rank

1st

Spain currently reports 31.74 Milligrams per litre against 29.18 Milligrams per litre in Bulgaria, a difference of 2.56 Milligrams per litre.

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

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

Bulgaria ranks 3rd and Spain ranks 1st of 24 countries.

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

Decade	Bulgaria	Spain	Difference	Ahead
2000s	23.76 Milligrams per litre	37.95 Milligrams per litre	14.19 Milligrams per litre	Spain
2010s	25.92 Milligrams per litre	35.01 Milligrams per litre	9.08 Milligrams per litre	Spain
2020s	28.58 Milligrams per litre	32.58 Milligrams per litre	4.01 Milligrams per litre	Spain

Averages of every year both report within each decade.

Which has higher nitrate in groundwater, Bulgaria or Spain?: Spain, at 31.74 Milligrams per litre against 29.18 Milligrams per litre in Bulgaria as of 2023.
What is the difference in nitrate in groundwater between Bulgaria and Spain?: 2.56 Milligrams per litre, with Spain ahead.
How many years of comparable data are there for Bulgaria and Spain?: 17 years are reported by both, from 2007 to 2023.
How do Bulgaria and Spain rank globally for nitrate in groundwater?: Bulgaria ranks 3rd 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.