List of number one songs in October, 2015

What songs were number one in October, 2015? There were 2 Australia #1 songs in October, 2015.

These number one songs in October, 2015 began with What Do You Mean? by Justin Bieber which went to #1 on 7th September, 2015 and remained at the top spot for 4 weeks.

The last number one song of 2015 was Downtown by Macklemore & Ryan Lewis which went to #1 on 5th October, 2015 and remained at the top spot for 4 weeks.

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