Adverb
By actuarial principles.
The municipal pension plan was deemed actuarially unsound.
In a manner performed by an actuary.
From an actuarial perspective.
Actuarially, we can't really afford to retire.
A father or mother with minor or disabled children in his or her care can receive benefits which are not actuarially reduced. Source: Internet
The retirement benefits are much more generous than Social Security but are believed to be actuarially sound. Source: Internet
However, treating insureds differently when there is no actuarially sound reason for doing so is unlawful discrimination. Source: Internet