Dhaka, Oct. 22 -- Sanae Takaichi, 64, will officially become Japan's first female prime minister after meeting with Emperor Naruhito later on Tuesday.

The upper and lower houses of parliament appointed the Liberal Democratic Party (LDP) leader after she unexpectedly won a majority in a first round of voting in the latter earlier this month.

She is expected to welcome US President Donald Trump on October 27, in her first major challenge.

Takaichi is Japan's fifth leader in as many years, as the ruling LDP - which has governed almost non-stop for decades - continues to bleed support.

After taking the reins of LDP on October 6, she faced her first challenge as the Komeito party quit their coalition, citing discomfort over Takaichi's conser...