In Europe, in 2005, about 15-20% of disposed textiles was collected (the rest is landfilled or incinerated), whereof about 50% was downcycled and 50% was reused...
Notes:
… mainly through exporting to developing countries.
Primary Source:
2005 - https://www.textile-recycling.org.uk/downloads/Report_Ouvertes_Project_June2005%5B1%5D.pdf