Complex sentence: Nearly 3,000 newspapers, however, reached the population in non-Russian languages, constituting roughly 25 percent of the total circulation, although non-Russians made up almost 50 percent of the population.
Split into simpler sentences: Nearly 3,000 newspapers, however, reached the population in non-Russian languages. Minority-language newspapers constituted roughly 25 percent of the total circulation, although non-Russians made up almost 50 percent of the population.