Czechia vs Portugal: Biochemical oxygen demand in rivers
Czechia
2.51 Milligrams per litre
in 2023
Portugal
3.14 Milligrams per litre
in 2023
Czechia rank
6th
Portugal rank
3rd
Biochemical oxygen demand in rivers over time
- Czechia
- Portugal
How they compare
Portugal currently reports 3.14 Milligrams per litre against 2.51 Milligrams per litre in Czechia, a difference of 0.63 Milligrams per litre.
That makes Portugal's figure about 1.3 times Czechia's.
The two have swapped places 2 times across 17 shared years of data; in 2007 it was Portugal ahead.
Czechia ranks 6th and Portugal ranks 3rd of 21 countries.
Portugal has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Czechia | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 3.09 Milligrams per litre | 3.1 Milligrams per litre | 0.01 Milligrams per litre | Portugal |
| 2010s | 2.85 Milligrams per litre | 2.97 Milligrams per litre | 0.127 Milligrams per litre | Portugal |
| 2020s | 2.58 Milligrams per litre | 3.11 Milligrams per litre | 0.525 Milligrams per litre | Portugal |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher biochemical oxygen demand in rivers, Czechia or Portugal?
- Portugal, at 3.14 Milligrams per litre against 2.51 Milligrams per litre in Czechia as of 2023.
- What is the difference in biochemical oxygen demand in rivers between Czechia and Portugal?
- 0.63 Milligrams per litre, with Portugal ahead.
- How many years of comparable data are there for Czechia and Portugal?
- 17 years are reported by both, from 2007 to 2023.
- How do Czechia and Portugal rank globally for biochemical oxygen demand in rivers?
- Czechia ranks 6th and Portugal ranks 3rd 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.