As of September 2022, around ** prefectures and *** municipalities in Japan have declared zero carbon cities by 2050. The figures have been increasing continuously in recent years.
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Nomura Research Institute. (December 27, 2022). Number of local governments that have declared zero carbon cities by 2050 in Japan from 2019 to 2022 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/
Nomura Research Institute. "Number of local governments that have declared zero carbon cities by 2050 in Japan from 2019 to 2022." Chart. December 27, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/
Nomura Research Institute. (2022). Number of local governments that have declared zero carbon cities by 2050 in Japan from 2019 to 2022. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/
Nomura Research Institute. "Number of Local Governments That Have Declared Zero Carbon Cities by 2050 in Japan from 2019 to 2022." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Dec 2022, /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/
Nomura Research Institute, Number of local governments that have declared zero carbon cities by 2050 in Japan from 2019 to 2022 ÌÇÐÄÆƽâ°æ, /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/ (last visited July 30, 2026)
Number of local governments that have declared zero carbon cities by 2050 in Japan from 2019 to 2022 [Graph], Nomura Research Institute, December 27, 2022. [Online]. Available: /statistics/1356851/japan-number-local-governments-with-zero-carbon-city-plans/
