Most weeks at No. 1 on Billboard's World Albums chart
- Who
- Celtic Woman
- What
- 86 week(s)
- Where
- Not Applicable
- When
- 18 November 2006
The most weeks at No. 1 on Billboard's World Albums chart is 86 weeks, and was achieved by Celtic Woman (Ireland) with their self titled album, from 26 March 2005 to 18 November 2006.
The album Celtic Woman spent 108 weeks total on Billboards Wold Album's chart.