In 2023, Belgium had 11.67 million persons connected to wastewater treatment. There has been a consistent upward trend since 2013, with varying year-on-year increases. Notably, from 2021 to 2023, the year-on-year variations were 0.56%, 1.47%, and 1.36% respectively, indicating a stable growth pattern. Over the last five years, the average annual growth rate (CAGR) stood at 1.03%.
Looking ahead, the population connected to wastewater treatment is forecasted to reach 12.39 million by 2028. A forecasted 5-year CAGR of 0.95% suggests a slightly moderated, but steady growth rate. Key trends to watch include advancements in wastewater treatment technologies and potential regulatory changes that could further influence connection rates.
