Posterity

[Sonia]

The race that proceeds from a progenitor; offspring to
the furthest generation; the aggregate number of persons who are
descended from an ancestor of a generation; descendants; -- contrasted
with ancestry; as, the posterity of Abraham.

[Zipporah Schumaker]

All future generations of people.

[Couch Potatoe]

the people who will exist in the future: