What is the difference in nitrate in groundwater between Ireland and Switzerland?

1.73 Milligrams per litre, with Switzerland ahead.

How many years of comparable data are there for Ireland and Switzerland?

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.

Ireland

12.69 Milligrams per litre

in 2023

Switzerland

14.42 Milligrams per litre

in 2023

Ireland rank

16th

Switzerland rank

15th

Switzerland currently reports 14.42 Milligrams per litre against 12.69 Milligrams per litre in Ireland, a difference of 1.73 Milligrams per litre.

That makes Switzerland's figure about 1.1 times Ireland's.

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

Ireland ranks 16th and Switzerland ranks 15th of 24 countries.

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

Decade	Ireland	Switzerland	Difference	Ahead
2000s	12.74 Milligrams per litre	15.92 Milligrams per litre	3.19 Milligrams per litre	Switzerland
2010s	11.83 Milligrams per litre	14.93 Milligrams per litre	3.1 Milligrams per litre	Switzerland
2020s	12.48 Milligrams per litre	14.27 Milligrams per litre	1.79 Milligrams per litre	Switzerland

Averages of every year both report within each decade.

Which has higher nitrate in groundwater, Ireland or Switzerland?: Switzerland, at 14.42 Milligrams per litre against 12.69 Milligrams per litre in Ireland as of 2023.
What is the difference in nitrate in groundwater between Ireland and Switzerland?: 1.73 Milligrams per litre, with Switzerland ahead.
How many years of comparable data are there for Ireland and Switzerland?: 17 years are reported by both, from 2007 to 2023.
How do Ireland and Switzerland rank globally for nitrate in groundwater?: Ireland ranks 16th and Switzerland ranks 15th 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.