Population connected to wastewater treatment plants by country
Countries reporting
39
Highest
83,178
Germany
Lowest
61.02
Iceland
Median
5,934
Years covered
55
1970–2024
Data points
887
What the numbers show
Population connected to wastewater treatment plants is currently reported for 39 countries. The highest value is 83,178 in Germany; the lowest is 61.02 in Iceland.
The median across all reporting countries is 5,934, and the mean is 15,861.
The gap between the highest and lowest reporting country is a factor of about 1,363.
Over the past decade 33 countries rose and 5 fell. The largest increase was in Iceland (up 302.2%), and the largest decrease in Albania (down 34.6%).
Population connected to wastewater treatment plants: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Germany | 83,178 | 2022 | up 3.4% | rising |
| 2 | France | 68,776 | 2024 | up 3.7% | rising |
| 3 | Türkiye | 62,788 | 2024 | up 27.1% | volatile |
| 4 | United Kingdom | 62,452 | 2010 | up 8.2% | flat |
| 4 | United Kingdom | 62,452 | 2010 | up 8.2% | flat |
| 6 | Spain | 43,284 | 2023 | up 4.9% | flat |
| 7 | Poland | 35,958 | 2024 | up 0.8% | rising |
| 7 | Poland | 35,958 | 2024 | up 0.8% | rising |
| 9 | Netherlands | 17,994 | 2024 | up 6.7% | rising |
| 9 | Netherlands | 17,994 | 2024 | up 6.7% | rising |
| 11 | Romania | 11,721 | 2024 | up 25.3% | rising |
| 12 | Belgium | 11,608 | 2024 | up 9.5% | rising |
| 13 | Sweden | 10,537 | 2023 | up 9.8% | rising |
| 14 | Greece | 9,880 | 2023 | down 2.7% | flat |
| 15 | Czechia | 9,444 | 2024 | up 12.3% | rising |
| 16 | Austria | 9,178 | 2024 | up 7.4% | rising |
| 17 | Switzerland | 8,862 | 2023 | up 9.9% | rising |
| 18 | Hungary | 8,084 | 2024 | up 11.7% | rising |
| 19 | Denmark | 5,977 | 2024 | up 5.9% | rising |
| 20 | Bulgaria | 5,934 | 2024 | up 2.5% | rising |
| 21 | Finland | 5,620 | 2024 | up 2.9% | rising |
| 22 | Norway | 5,573 | 2024 | up 10.3% | rising |
| 23 | Ireland | 5,232 | 2024 | up 20.4% | rising |
| 24 | Lithuania | 2,331 | 2024 | up 4.5% | flat |
| 24 | Lithuania | 2,331 | 2024 | up 4.5% | flat |
| 26 | Slovenia | 2,094 | 2024 | up 12.2% | rising |
| 26 | Slovenia | 2,094 | 2024 | up 12.2% | rising |
| 28 | Latvia | 1,500 | 2024 | down 0.7% | flat |
| 28 | Latvia | 1,500 | 2024 | down 0.7% | flat |
| 30 | Bosnia and Herzegovina | 1,259 | 2018 | down 2.6% | falling |
| 31 | Estonia | 1,159 | 2017 | up 2.9% | rising |
| 31 | Estonia | 1,159 | 2017 | up 2.9% | rising |
| 33 | Serbia | 1,094 | 2024 | up 36.4% | rising |
| 33 | Serbia | 1,094 | 2024 | up 36.4% | rising |
| 35 | Cyprus | 785.45 | 2022 | — | rising |
| 36 | Luxembourg | 674.3 | 2024 | up 23.2% | rising |
| 37 | Malta | 568.85 | 2024 | up 31.2% | volatile |
| 38 | Albania | 394.84 | 2024 | down 34.6% | flat |
| 39 | Iceland | 61.02 | 1999 | up 302.2% | volatile |