Bulgaria vs Romania: Biochemical oxygen demand in rivers

Bulgaria
2.48 Milligrams per litre
in 2023
Romania
3.13 Milligrams per litre
in 2023
Bulgaria rank
7th
Romania rank
4th

Biochemical oxygen demand in rivers over time

  • Bulgaria
  • Romania
012345200720152023

How they compare

Romania currently reports 3.13 Milligrams per litre against 2.48 Milligrams per litre in Bulgaria, a difference of 0.65 Milligrams per litre.

That makes Romania's figure about 1.3 times Bulgaria's.

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

Bulgaria ranks 7th and Romania ranks 4th of 21 countries.

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

Head to head by decade

Decade Bulgaria Romania Difference Ahead
2000s 3.29 Milligrams per litre 4.88 Milligrams per litre 1.59 Milligrams per litre Romania
2010s 2.71 Milligrams per litre 3.99 Milligrams per litre 1.27 Milligrams per litre Romania
2020s 2.48 Milligrams per litre 3.21 Milligrams per litre 0.74 Milligrams per litre Romania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher biochemical oxygen demand in rivers, Bulgaria or Romania?
Romania, at 3.13 Milligrams per litre against 2.48 Milligrams per litre in Bulgaria as of 2023.
What is the difference in biochemical oxygen demand in rivers between Bulgaria and Romania?
0.65 Milligrams per litre, with Romania ahead.
How many years of comparable data are there for Bulgaria and Romania?
17 years are reported by both, from 2007 to 2023.
How do Bulgaria and Romania rank globally for biochemical oxygen demand in rivers?
Bulgaria ranks 7th and Romania ranks 4th of 21 countries.
Where does this data come from?
Eurostat, published as Biochemical oxygen demand in rivers. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator
Biochemical oxygen demand in rivers
Unit
Milligrams per litre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
22 places, 374 data points, 2007–2023
Last refreshed