Relatives of Japanese nationals abducted by North Korea have commented on Joe Biden's victory in the US presidential election.

Eighty-two-year-old Iizuka Shigeo, whose sister Taguchi Yaeko was abducted by the North, said the relatives have met President Donald Trump and two former US presidents, George W. Bush and Barack Obama, and sought their help in resolving the issue.

Families of Japanese citizens abducted by North Korea have urged the new leader of the governing Liberal Democratic Party, Suga Yoshihide, to make progress in resolving the issue.

Some of the relatives spoke to the media after Suga was elected LDP president on Monday. He is most likely to succeed outgoing Prime Minister Abe Shinzo this week.

Relatives of Japanese nationals abducted by North Korea have strongly urged the Japanese government to take measures to repatriate their loved ones as soon as possible.

The relatives, including Shigeo Iizuka and Akihiro Arimoto, met Prime Minister Shinzo Abe and Chief Cabinet Secretary Yoshihide Suga on Friday.

Relatives of Japanese nationals abducted by North Korea and their supporters have mourned the death of the mother of abductee Keiko Arimoto.

Kayoko Arimoto died at the age of 94 on Monday.