What is the mandatory age of separation (MAS)?

The mandatory age of separation (MAS) is the age at which staff members must be separated from the service of their employing UN organization as set by its Staff Regulations.

The General Assembly (GA) decided in the main part of its 72nd session to operationalized its decision in its 70th session (A/RES/70/244) to reset the MAS for all staff members to 65 years of age, effective 1 January 2018.

Following the decision of the GA under resolution 72/254 (A/RES/72/254), UN Staff Regulation 9.2 (ST/SGB/2018/1) has been revised to reflect the new MSA for all staff members as 65 years.

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