UEFA: Nike "the most widely represented kit supplier, in 47 of the 54 leagues (87%)" in 2018-19

"There are currently 11 kit manufacturers that are the official kit partner of clubs in ten leagues or more across Europe (in 2018-19, see list below). Nike is the most widely represented manufacturer, featuring in 47 of the 54 leagues (87%), followed closely by adidas, who currently feature in 81% of all leagues," said UEFA in its report "The European Club Footballing Landscape", published on 18/01/2019.

"Only two kit manufacturers, Nike (18%) and adidas (16%), have a market share of more than 10% across all top-division clubs in Europe. Those two leading manufacturers have a combined market share of 34%. Joma, Macron and Puma are the only other manufacturers with a market share of more than 5%. The other 51 kit manufacturers supply clubs in fewer than ten European leagues. Of those companies, 31 supply clubs in only one league, and 24 supply only one club," stated UEFA in the report which reviews 700 top-division European clubs from 54 national federations.

UEFA: Five equipment manufacturers have a market share of over 5%