Consider what kinds of factors would determine how much energy is used by a country, a region, a household, or an individual. The resources on this page are a great place to start.

Once you have chosen a country and would like to find additional resources, the following search trick could be used for searching in Google:

china fossil fuels health site: gov

Adding site: gov at the very end will tell Google to prioritize websites that end in .gov, which is reserved for federal and state government sites. You could do the same for .edu (education) and .org (organizations, typically non-profit).