US fastfood giant McDonald's has reported a 9.2% rise in year-to-date May global comparable sales, its highest year-to-date May increase since 1984.

Global comparable sales increased 7.4% for the month - the company's thirteenth consecutive month of global same-store sales increases

McDonald's said May systemwide sales, which include sales at all McDonald's restaurants, including those operated by the company, franchisees and affiliates, increased 10.2%, or 8.2% in constant currencies, compared with May 2003.

"These outstanding sales increases demonstrate that consumers are responding positively to our better tasting food, new menu offerings, energetic, targeted marketing and improved operations and service," said CEO Charlie Bell.

In Europe, May comparable sales increased 4.6% from the year-ago period.

"Our new Salads Plus menu - now in 14 European countries - is helping to improve consumer perception of the freshness, wholesomeness and variety of our menu. Branded everyday value menus and service improvements are also contributing to Europe's results," Bell added.

Comparable sales in the US for May increased 7.9%, while those in the company's Asia/Pacific, Middle East and Africa region rose 11.1%.