Bulgaria vs Spain: Average nitrate concentration in freshwater
Bulgaria
29.34 milligrams per litre
in 2021
Spain
36.93 milligrams per litre
in 2021
Bulgaria rank
4th
Spain rank
2nd
Average nitrate concentration in freshwater over time
- Bulgaria
- Spain
How they compare
Spain currently reports 36.93 milligrams per litre against 29.34 milligrams per litre in Bulgaria, a difference of 7.59 milligrams per litre.
That makes Spain's figure about 1.3 times Bulgaria's.
The two have swapped places 3 times across 14 shared years of data; in 2000 it was Bulgaria ahead.
Bulgaria ranks 4th and Spain ranks 2nd of 34 countries.
Spain has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Bulgaria | Spain | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 23.3 milligrams per litre | 25.69 milligrams per litre | 2.39 milligrams per litre | Spain |
| 2010s | 28.22 milligrams per litre | 34.85 milligrams per litre | 6.64 milligrams per litre | Spain |
| 2020s | 29.34 milligrams per litre | 36.81 milligrams per litre | 7.47 milligrams per litre | Spain |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average nitrate concentration in freshwater, Bulgaria or Spain?
- Spain, at 36.93 milligrams per litre against 29.34 milligrams per litre in Bulgaria as of 2021.
- What is the difference in average nitrate concentration in freshwater between Bulgaria and Spain?
- 7.59 milligrams per litre, with Spain ahead.
- How many years of comparable data are there for Bulgaria and Spain?
- 14 years are reported by both, from 2000 to 2021.
- How do Bulgaria and Spain rank globally for average nitrate concentration in freshwater?
- Bulgaria ranks 4th and Spain ranks 2nd 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.
Individual pages
About this data
Average annual concentration of nitrate in groundwater.