CBNNews.com  - Cash strapped consumers have boosted sales for the nation's top hamburger chain.

McDonald's posted a 7.1 percent worldwide increase last month.

The company credits its burgers and breakfast value items for the increase.

The fast food giant has been posting strong sales as the economic downturn in the U.S. spreads overseas.

People have turned away from pricier restaurants to grocery stores and fast food chains.