Protectionist measures were an intense matter of discussion as finance ministers from the Group of 7 economies met this weekend in Rome.

While the number of jobs in the United States has been falling since the end of 2007, the pace of layoffs in Europe, Asia and the developing world has caught up only recently as companies that resisted deep cuts in the past follow the lead of their American counterparts.

The International Monetary Fund expects that by the end of the year, global economic growth will reach its lowest point since the Depression, according to Charles Collyns, deputy director of the fund’s research department. The fund said that growth had come to “a virtual halt,” with developed economies expected to shrink by 2 percent in 2009.

“This is the worst we’ve had since 1929,” said Laurent Wauquiez, France’s employment minister. “The thing that is new is that it is global, and we are always talking about that. It is in every country, and it makes the whole difference.”

In Asia, any smugness at having escaped losses on American subprime debt has been erased by growing despair over a plunge in sales among major exporters. On Thursday, Pioneer of Japan said it would abandon the flat-screen television business and cut 10,000 jobs worldwide in response to sagging demand for consumer electronics.

Millions of migrant workers in mainland China are searching for jobs but finding that factories are shutting down. Though not as large as the disturbances in Greece or the Baltics, there have been dozens of protests at individual factories in China and Indonesia where workers were laid off with little or no notice.