The climate change-related transport tax revenue in Japan is showing a slight decline from 2024 to 2028, with the value decreasing from 24.12 billion US dollars at PPP in 2024 to 23.5 billion US dollars at PPP in 2028. The year-on-year change indicates a minimal decrease each year. Compared to 2023, the revenue forecast showcases a consistent downward trend, highlighted by a compound annual growth rate (CAGR) over the five years as a slight decrease.

Important future trends to watch include:

Potential shifts in transportation technology, such as increased adoption of electric vehicles, which could influence tax revenues.
Government policy changes aimed at further reducing carbon emissions that may alter tax structures.
Economic factors and public transport infrastructure developments impacting transport behavior and associated tax revenue.