U.S. junk e-mailers sent more spam than those in any other country during the first quarter, a security company recently reported, although China is hot on America’s heels.

According to U.K.-based Sophos, U.S. senders accounted for 23.1 percent of the world’s spam in 2006′s first three months. Chinese spammers sent 21.9 percent of global junk mail during the same period.

Read more: China Ready To Swipe Spam Crown From U.S.