In 1979: The first capsule hotel in the world was the Capsule Inn Osaka, designed by Kisho Kurokawa and located in the Umeda district of Osaka, Japan.
In 1980’s: Increase to about 500 hotels by bubble boom
In 2008: Reduce to about 250 hotels in the past 10 years due to the depression by Lehman Shock
In 2009: Developed model of capsule hotel appeared
In 2012: Populated by visitor along with the appearance of LCC
In 2017: Diversified model of capsule hotels appeared