The Japanese government appears intent on collaborating with an incoming US administration to jointly lead efforts to bolster international cooperation.

Japanese Prime Minister Suga Yoshihide tweeted a congratulatory message to US Democrats Joe Biden and Kamala Harris on their projected victory in the US presidential election.

Japan's new minister in charge of telecommunications has expressed eagerness to spur competition among mobile phone companies to lower fees.

Internal Affairs and Communications Minister Takeda Ryota spoke to reporters on Thursday, his first day in his new office.