The air pollution-related total tax revenue in Japan shows a marginally declining trend from 2024 to 2028. The forecast indicates a slight year-on-year decrease: -0.25% from 2024 to 2025, -0.20% from 2025 to 2026, -0.16% from 2026 to 2027, and -0.13% from 2027 to 2028. The compound annual growth rate (CAGR) for 2024-2028 is an average decrease of approximately -0.18% per year.

Future trends to watch for:

Technological advancements in green energy and their impact on tax revenue from pollution.
Policy changes focusing on carbon neutrality and its potential to further decrease pollution-related taxes.
Economic factors influencing consumer behavior and industrial practices affecting air quality.