portability

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1. Wikipedia: portability (social security)

The Portability of social security benefits is the ability to preserve, maintain, and transfer acquired social security rights and social security rights in the process of being acquired from one private, occupational, or public social security scheme to another without losing their contributions (Cruz 2004).
Hence, if social security benefits are portable, contributors to, for example, old-age pension schemes do not experience any disadvantage like the loss of contributions and benefits associated with these contributions when moving from one job to another, from one occupation to another, or from the public to the private sector.
International portability of social security rights allows international migrants, who have contributed to a social security scheme for some time in a particular country, to maintain acquired benefits or benefits in the process of being acquired when moving to another country. ...

2. Financial & Investment Dictionary: Portability