Complex sentence: As a result of Chinese economic growth in recent years, however, the city's Jewish population grown to around 1,500 in 2010, which compares to a Jewish population of fewer than 100 around 20 years before.
Split into simpler sentences: As a result of Chinese economic growth in recent years, however, the city's Jewish population grown to around 1,500 in 2010. This compares to a Jewish population of fewer than 100 around 20 years before.