Complex sentence: Since 1958, Bulgaria has not recognized a Macedonian minority in the Pirin region and within the next ten years the 178,862 strong Macedonian minority fell to just 8,700 individuals.
Split into simpler sentences: Since 1958, Bulgaria has not recognized a Macedonian minority in the Pirin region. Within ten years the 178,862 strong Macedonian minority fell to just 8,700 individuals.