Belgium vs Slovakia: Biochemical oxygen demand in rivers

Belgium
1.93 Milligrams per litre
in 2023
Slovakia
2.16 Milligrams per litre
in 2023
Belgium rank
13th
Slovakia rank
11th

Biochemical oxygen demand in rivers over time

  • Belgium
  • Slovakia
0123200720152023

How they compare

Slovakia currently reports 2.16 Milligrams per litre against 1.93 Milligrams per litre in Belgium, a difference of 0.23 Milligrams per litre.

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

The two have swapped places 1 time across 17 shared years of data; in 2007 it was Belgium ahead.

Belgium ranks 13th and Slovakia ranks 11th of 28 countries.

Across the 3 decades both report, Belgium averaged higher in 2 and Slovakia in 1.

Head to head by decade

Decade Belgium Slovakia Difference Ahead
2000s 3.03 Milligrams per litre 2.48 Milligrams per litre 0.5467 Milligrams per litre Belgium
2010s 2.52 Milligrams per litre 2.32 Milligrams per litre 0.2 Milligrams per litre Belgium
2020s 1.97 Milligrams per litre 2.18 Milligrams per litre 0.21 Milligrams per litre Slovakia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher biochemical oxygen demand in rivers, Belgium or Slovakia?
Slovakia, at 2.16 Milligrams per litre against 1.93 Milligrams per litre in Belgium as of 2023.
What is the difference in biochemical oxygen demand in rivers between Belgium and Slovakia?
0.23 Milligrams per litre, with Slovakia ahead.
How many years of comparable data are there for Belgium and Slovakia?
17 years are reported by both, from 2007 to 2023.
How do Belgium and Slovakia rank globally for biochemical oxygen demand in rivers?
Belgium ranks 13th and Slovakia ranks 11th of 28 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.

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Belgium vs Slovakia: Biochemical oxygen demand in rivers. Statizoid, drawing on Eurostat. Retrieved 24 September 2026, from https://reference.statizoid.com/compare/biochemical-oxygen-demand-in-rivers/belgium/slovakia/

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About this data

Indicator
Biochemical oxygen demand in rivers
Unit
Milligrams per litre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
29 places, 493 data points, 2007–2023
Last refreshed