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Appendix B to Subpart B of Part 591—Places and Rates At Which Differentials Are Paid

Places and Rates At Which Differentials Are Paid

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Displayed edition2026-04-15
Last updated2026-04-15

Appendix B to Subpart B of Part 591—Places and Rates At Which Differentials Are Paid

This appendix lists the places where a post differential has been approved and shows the differential rate to be paid to eligible employees. The differential percentage rate shown is paid as a percentage of an employee's rate of basic pay.

Geographic coveragePercentage differential rate
American Samoa (including the island of Tutuila, the Manua Islands, and all other islands of the Samoa group east of longitude 171° west of Greenwich, together with Swains Island)25.0
Johnston Atoll25.0
Midway Atoll25.0
Territory of Guam and Commonwealth of the Northern Mariana Islands20.0
Wake Atoll25.0