The share of the Japanese population connected to public sewerage is projected to increase from 82.3% in 2024 to 84.15% by 2028. This reflects a year-on-year growth rate that steadily rises, indicating an approximate CAGR of 0.54% over the next five years. As of 2023, the connection rate stood at 81.9%, suggesting a consistent upward trend in public sewerage access.
Future trends to watch for include ongoing infrastructure investments, urbanization patterns, and technological innovations in wastewater management, which may continue driving increased sewerage connections. Monitoring policy changes and funding for public utilities will be crucial in understanding the trajectory of these developments.
