The United States federal government allocates a staggering $38 billion annually to prop up the meat and dairy industries. These subsidies significantly reduce the price of meat products, including hamburgers. Research from 2015 reveals that these subsidies slash the price of a pound of hamburger meat from $30 to the $5 we see today
For the EU it is 82% of the subsidies that go the animal industry: https://phys.org/news/2024-04-eu-farming-subsidies-emissions-intensive.html