It is for the US. They use Gallup polls over time, but the recent one are household incomes of below $40,000 for low income and $100,000 for high income, with the rest being middle income.
Also it is for the US, so even low income households are relativly wealthy and have the time to do something about it. The big impact decision for food is not to buy organic, but become vegetarian or vegan. For transport the best option is not to drive a car at all.
Wasn’t the yellow vest protest movement in France against higher fuel taxes?
Higher fuel taxes do not help, if you do not offer a working alternative for poor people. They just end up being a tax on the poor. That was seen as especially bad as the wealth tax was just cut. So a lot of the protest was really more about cut of austerity measuers, increase of minimum wage and the like. Obviously fossil fuel propaganda tries to spin it as a pro fossil fuel protests though.
Texas loves oil and gas and BlackRock did some ESG stuff for PR. Show of force.