In order to meet that Olympics hosting requirement standard, on October 5 the Tokyo Metropolitan Government passed a TBLGQ rights law that states:
“The Tokyo Metropolitan Government, citizens, and enterprises may not unduly discriminate on the basis of gender identity or sexual orientation” and includes a government pledge to “conduct measures needed to make sure human rights values are rooted in all corners of the city and diversity is respected in the city.”The new law also commits the Tokyo Metropolitan Government to do public education campaigns in the city about TBLGQ rights issues.
Tokyo, along with Tokyo prefecture which it merged with in 1943, and the Tokyo metropolitan area is home to 25% of Japan's population.
Japan doesn't have a national law yet legalizing same sex marriage, and Japanese transgender people are required to have gender confirmation surgery before they can obtain federal ID that matches their gender identity.
According to Human Rights Watch, in 2016 Japan's Minister of Education released a teacher's guidebook that covered the topic of how to treat TBLGQ students. That same year Japan, along with the Netherlands and the United States, led a UNESCO conference on TBLGQ bullying, and followed that up in March 2017 by the Ministry of Education modifying the national bullying policy to include TBLGQ students.
He called his win at the time 'a marker for transgender rights' in his nation, and in the wake of it has worked to increase acceptance for all forms of diversity in Japan.