Complex sentence: In contrast to Avi-Yonah, Schiffman estimated that Christians only became the majority of the country's population at the beginning of the 5th century, confirmed by DellaPergola who estimates that by the 5th century Christians were in the majority and Jews were a minority.
Split into simpler sentences: In contrast to Avi-Yonah, Schiffman estimated that Christians only became the majority of the country's population at the beginning of the 5th century. DellaPergola estimates that by the 5th century Christians were in the majority and Jews were a minority.