LOS ANGELES (Reuters) – Janet Jackson has postponed the Japanese leg of her tour, blaming the slumping economy, the singer's representatives said on Monday.

Jackson, who launched her Rock Witchu Tour in September, was scheduled to play five shows in Japan in February.

"It's unfortunate but the world's economy does not allow Janet to make a trip at this time," the singer's manager, Kenneth Crear, said in a statement.

Jackson's representatives offered no other details about the postponement, including any plans to reschedule.

She had postponed six North American shows after falling ill with migraine-associated vertigo. In November, the singer announced those shows would not be rescheduled.

Jackson, 42, is the younger sister of pop icon Michael Jackson. Her tour, which opened on September 7 in Vancouver, was the first time she had gone on the road in seven years.

Source: REUTERS