The data from 2023 indicates that Austria leads with 96.82% of its population connected to sewerage systems with tertiary treatment. Estonia, Hungary, and Belgium also have high connection rates, standing at 87.2%, 85.66%, and 82.06% respectively. The Czech Republic, Latvia, and Lithuania follow, with connection rates between 74.85% and 77.9%. Poland, Norway, and Australia have lower rates, ranging from 54.24% to 65.48%. Year-on-year variations show Latvia with the highest growth at 5.06%, followed by Hungary at 3.17%. Estonia also saw notable growth at 1.6%, while other countries had more modest increases, between 0.46% and 1.76%.
Future trends to watch include an expected continued improvement in sewerage systems with tertiary treatment. Countries with lower connection rates, such as Poland, Norway, and Australia, are projected to increase their figures as they undertake new infrastructure projects and improve existing facilities. Furthermore, there may be a growing focus on environmental policies and regulations which will likely drive advancements in sewerage systems globally.
Top countries in Population Connected to Sewerage with Tertiary Treatment by Country
| # | 10 Countries | Percent of Population | Last Year | YoY | 5-years CAGR | |
|---|---|---|---|---|---|---|
| 1 | 1 Austria | 96.82 | 2023 | +0.5% | +0.46% | View data |
| 2 | 2 Estonia | 87.2 | 2023 | +1.56% | +1.6% | View data |
| 3 | 3 Hungary | 85.66 | 2023 | +3.27% | +3.17% | View data |
| 4 | 4 Belgium | 82.06 | 2023 | +1.51% | +1.39% | View data |
| 5 | 5 Czech Republic | 77.9 | 2023 | +0.91% | +0.9% | View data |
| 6 | 6 Latvia | 74.85 | 2023 | +4.06% | +5.06% | View data |
| 7 | 7 Lithuania | 71.8 | 2023 | +0.83% | +1.12% | View data |
| 8 | 8 Poland | 65.48 | 2023 | +1.77% | +1.76% | View data |
| 9 | 9 Norway | 57.66 | 2023 | +1.87% | +1.13% | View data |
| 10 | 10 Australia | 54.24 | 2023 | +1.44% | +1.2% | View data |
