The top 1 per cent by income of the world’s population account for about 15 per cent of emissions, according to UN data. That is more than double the share of the bottom 50 per cent.
https://www.ft.com/content/4788beae-9035-4449-b5cd-200dc7b6ea9d

https://www.ft.com/content/4788beae-9035-4449-b5cd-200dc7b6ea9d