https://worldhappiness.report/ed/2024/happiness-of-the-younger-the-older-and-those-in-between/
世界幸福度ランキング、西側諸国で若者が「不幸せ」に - BBCニュース
https://www.bbc.com/japanese/articles/cp6d9nx3ppzo
https://ichef.bbci.co.uk/ace/ws/800/cpsprodpb/1955/live/89653cd0-e74f-11ee-860f-4b0b053e4cd0.jpg
https://ichef.bbci.co.uk/ace/ws/800/cpsprodpb/35e4/live/d0f90f40-e74f-11ee-860f-4b0b053e4cd0.jpg
