Japan's methane emissions stood at 26.83 million metric tons of CO2 equivalent in 2023. The forecast from 2024 to 2028 shows a steady decrease: from 26.61 million metric tons in 2024 to 25.73 million metric tons in 2028, indicating a consistent decline in emissions. Year-on-year percentage decreases average about 0.8% over the forecast period. The five-year CAGR reflects the progressive reduction as well, emphasizing efforts towards minimizing emissions.
Future trends to watch include the adoption of new technologies in agriculture and waste management, governmental policies targeting emission cuts, and Japan's international commitments to climate change which could further drive reductions in methane emissions.