A population that is part of a larger population

Usage examples of subpopulation.

I ran the simulations dozens of ways, altering variables such as subpopulation movements, materials shortages, and shifts in standards of living.

While all this was happening, a shadowy subpopulation of the world sat up and took notice.

Although some murderers in the study have been extensively written about elsewhere, our study is the first to examine them collectively as a subpopulation of murderers and from the law enforcement perspective.