Complex sentence: By the end of his term, SIS covered more than 11 million Peruvians living in the outskirts of cities or in rural areas, however, about a third of the country remained without health coverage.
Split into simpler sentences: By the end of his term, SIS covered more than 11 million Peruvians living on the outskirts of cities or in rural areas. However, about a third of the country remained without health coverage.