Number one US songs in January, 1979

What songs were number one in January, 1979? There were 3 USA #1 songs in January, 1979.

These number one songs in January, 1979 began with Le Freak by Chic which went to #1 on 23rd December, 1978 and remained at the top spot for 2 weeks.

The last number one song of 1979 was Le Freak by Chic which went to #1 on 20th January, 1979 and remained at the top spot for 3 weeks.