The total tax revenue from air pollution-related activities in Japan is expected to experience a declining trend from 2024 through 2028. This decrease reflects a steady reduction in annual tax revenues, with a notable year-on-year decline of approximately 1.7% from 2024 to 2028. In 2023, the actual value served as a baseline for these forecasts.

Future trends to watch include:

An ongoing focus on Japan's environmental policies and regulations aimed at reducing air pollution, which may further impact revenue collection.
Technology advancements in pollution control could either mitigate or exacerbate tax revenue changes.
Potential economic factors, such as shifts in industrial activity, that may also influence air pollution levels and related tax policies.