The forecast for Japan's natural gas support as a percentage of GDP shows a stable trend with values moderately increasing from 2024 to 2028. The support remains constant in 2024 and 2025, and experiences a slight rise in 2026, maintaining this level through 2028. This stability suggests Japan's commitment to consistent investment in natural gas amid broader energy strategies. Without actual data for 2023, estimating past changes is challenging, but the projected changes depict a minor upward trajectory.

Future trends to watch:

Potential policy shifts towards renewable energy affecting fossil fuel investments.
Global market fluctuations impacting natural gas prices and support levels.
Technological advancements in energy efficiency potentially influencing support needs.