Zhōngguó lìyòng le jīngjì gǎigé dài lái de rénkǒu hónglì.
China took advantage of the demographic dividend brought about by economic reforms.
Tips
usage
红利 is used both for stock dividends (股息红利) and more broadly for any windfall benefit or bonus. A common colloquial extension is 人口红利 (demographic dividend) — the economic benefit from a large working-age population.