Japan has the exact same sales tax rate(s) across the entire country, and it rarely changes. In the US, we have thousands of different rates and they change multiple times per year.
Also, while it is the norm in Japan to include the tax, there are some exceptions.
(Japan has 2 rates, 8% for certain items like food, and 10% for everything else).
Also, while it is the norm in Japan to include the tax, there are some exceptions.
(Japan has 2 rates, 8% for certain items like food, and 10% for everything else).