In 2023, Japan's climate change-related total tax revenue was 57.76 billion USD. The forecast data for 2024 to 2028 shows a declining trend, with revenues expected to decrease annually by approximately 1.32% on average, describing a continuous decline in the total tax revenue related to climate change. By 2028, the revenue is projected to fall to 54.22 billion USD. Over the five-year forecast period, the compound annual growth rate (CAGR) reflects an average annual decrease of about 1.59%.

Future trends to watch for include:

Impacts of international climate policies on tax structures.
Economic factors affecting tax rates and collections.
Innovations and technological advancements influencing environmental measures and tax revenues.
Public and corporate engagement in sustainable practices altering tax inflows.