HAMBURG, Germany (AP) _ Membership in neo-Nazi groups which have spoken in favor of attacking foreigners and Jews has significantly increased since 1994, a magazine reported Saturday.

The membership numbers, reported by Hamburg-based Der Spiegel, are consistent with a rise in extremist crime that federal officials already have reported for 1997.

Some 7,500 people belong to neo-Nazi cells throughout Germany, Spiegel said, citing numbers obtained from state agencies that monitor extremist groups. That compares with 5,400 in 1994, Spiegel said in its advance of a report to appear in Monday's edition.

Federal officials have blamed the increase partly on frustration with Germany's record unemployment of 12.6 percent.

Many of the new members are from 18 to 25 years old, Spiegel said.

The government estimates that extreme-rightist attacks rose 10 percent last year over the 781 attacks in 1996.