TOKYO (AP) – Prime Minister Abe’s ruling party suffered humiliating losses in parliamentary elections Sunday after a string of political scandals, exit polls showed, but Mr. Abe said he did not plan to resign.

The Liberal Democratic Party, which has ruled Japan almost without interruption since 1955, was set to lose its majority in the upper house while the leading opposition party made huge gains, according to exit polls broadcast by Japanese television networks.

Mr. Abe told reporters at his party’s headquarters that he intends to stay on despite the disappointing results, and accepts responsibility for the defeat.

“We tried our best and felt we made some progress, so the results are extremely disappointing … I must push ahead with reforms and continue to fulfill my responsibilities as prime minister,” he said. “The responsibility for this utter defeat rests with me.”

The Kyodo news agency reported that the party’s No. 2 official may resign.

“If projections are correct, we are looking at utter defeat,” Liberal Democratic Party secretary-general Hidenao Nakagawa told reporters at the party’s Tokyo headquarters after polls closed.

According to television network NTV, the polls showed the Liberal Democratic Party and its coalition partner, the New Komei Party, emerging with 104 seats, a 28-seat loss that left it far short of the 122 needed to control of the 242-member upper house.

The main opposition Democratic Party of Japan appeared set to emerge with 111 seats, up from 83.
The network based its forecast on exit polls taken shortly after the voting ended Sunday night. Other networks had similar projections.

A loss wouldn’t immediately threaten the political grip of the Liberal Democratic Party. The upper house is largely ceremonial, and the Liberal Democratic Party would keep control over the lower house, which chooses the prime minister and can override most votes in the upper house.

Mr. Abe said he does not intend to call snap elections for the lower house despite the projected defeat.

But the major defeat shown by exit polls could usher in a period of political gridlock. Deep voter dissatisfaction with Mr. Abe, fueled by a series of financial and other scandals, appears to have spawned a stunning reversal of fortune for a ruling party that his predecessor, Junichiro Koizumi, led to a landslide in the last elections in 2005

“We must humbly accept the results of this election,” Liberal Democratic Party lawmaker Yoichi Masuzoe said after polls closed. But when asked whether Mr, Abe should step down, he said “I think we must not act hastily. We must carefully decide what is the best course of action.”

Opposition leaders immediately jumped on the results as proof the tide had turned against Mr. Abe.

“I think there was a lot of hope put on our party,” Takaaki Matsumoto, policy chief for the Democratic Party of Japan, said of the exit polls.

Mr. Abe took office less than a year ago as Japan’s youngest-ever prime minister and won points after taking office for mending strained diplomatic ties with South Korea and China.

But in the first in a series of scandals, Administrative Reform Minister Genichiro Sata stepped down in December over charges of misusing of political funds. In May, Mr. Abe’s agriculture minister killed himself amid allegations he too misused public money.

The government was severely criticized again last month, when Defense Minister Fumio Kyuma suggested the 1945 American nuclear bombings of Japan were justified. Public outcry led to Kyuma’s speedy departure.

His new agriculture minister is also embroiled in a funds scandal.

In perhaps the final straw for voters, Abe brushed off warnings by the opposition late last year that pension records had been lost – inaction that came back to haunt him in the spring, when the full scope of the records losses emerged. Wiped out were some 50 million claims.
Party officials said last week they would keep Abe no matter what happens and resigning in the face of a heavy election defeat is rare, but not unprecedented in Japan.

In 1998, then-Prime Minster Ryutaro Hashimoto was forced to step down after the Liberal Democratic Party won just 44 seats out of 121, and Sousuke Uno lost his job as prime minister after winning only 36 seats in 1989. Even Abe resigned as secretary-general of the party in 2004, when the Liberal Democrats won 49 seats, two short of their goal.

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Associated Press writer Chisaki Watanabe contributed to this report.