Increased consumption per-person as more people have improved economic circumstances. See "How to Sustainably Feed 10 Billion People by 2050, in 21 Charts" [0].

"There is a big shortfall between the amount of food we produce today and the amount needed to feed everyone in 2050. There will be nearly 10 billion people on Earth by 2050—about 3 billion more mouths to feed than there were in 2010. As incomes rise, people will increasingly consume more resource-intensive, animal-based foods."

[0] https://www.wri.org/insights/how-sustainably-feed-10-billion...