[4] A native of Akashi, Hyōgo and a relative of Akira Fukida, a former Minister of Home Affairs, Nishimura graduated from the University of Tokyo, Faculty of Law in 1985.

[14] The government retracted the policy a day later, however,[15] with the chief cabinet secretary Katsunobu Kato stating "he had instructed Nishimura to be more careful about what he says during news conferences".

[18] The visit was made the day after his remarks urging people to stay-at-home orders during the Obon season [19] amid COVID-19 Delta surge across Japan.

[20] Nishimura said the government will keep its stakes in Sakhalin-II,[21] one of the world’s largest integrated and export-oriented oil and gas projects, owned by Gazprom, Shell, Mitsui and Mitsubishi.

[22] In June 2022, Nishimura was criticized for hosting on his official website for 10 years a gallery of street photography of women, apparently without their consent, titled "Picture book of beauties from around the world.