Complex sentence: It charted at No.1 on the U.S. "Billboard" Hot 100 chart, reached number 5 in Australia, peaked at number 1 in Canada, and reached number 11 in Germany.
Split into simpler sentences: It charted at No.1 on the U.S. "Billboard" Hot 100 chart. It reached number 5 in Australia, peaked at number 1 in Canada, and reached number 11 in Germany.