Us Per Diem Rates 2024 International. Foreign per diem rates for more than 60 locations, including athens, cairo, and são paulo, were updated by the us state department and take effect april 1. Foreign per diem values for more than 160 locations, including bangkok, berlin, and rio de janeiro, were updated by the us state department and take effect oct.

Read on to learn how to navigate per diem allowances for your foreign business trips. Entering the first letter of the country name will jump to that portion of the listing.