In childrenswear the proportion is even higher, with£1 in every£3 being spent in retailers such as Primark, New Look, Tesco and Asda.
The report, UK Value Clothing Retailers 2006, said the value players were responsible for virtually all the growth in clothing retail during this year and last. The average spend per head on clothing rose by£12 in both years, with£11.80 of this being spent at value retailers.
The sector's market share is forecast to grow 23.7 per cent by the end of the year, up from 16 per cent in 2001. In total, the sector is worth£7.8 billion - almost a quarter of the total UK clothing market.
The value operators with scale are performing best, with more than 90 per cent of the growth coming from four retailers - Primark, New Look, Tesco and George at Asda. Primark accounts for a lion's share of 42.8 per cent.