State, county, and city - and separate "transit" taxes for county and city. And then most locations have a use tax which may be different from the sales tax.

State, county, and city - and separate "transit" taxes for county and city. And then most locations have a use tax which may be different from the sales tax. It sounds complicated, but I had to work on a project in India during the GST transition, and came to appreciate the relative simplicity of the US system.