Share of Japanese in romantic relationships 2011-2017

*The survey targeted 30,000 Japanese people across the country, of which the following counts were not married, but in heterosexual relationships during the surveyed period.
2011 n=12,316
2012 n=11,735
2013 n=11,749
2014 n=12,931
2015 n=13,005
2016 n=13,582
2017 n=12,314

The data presented was conducted by the Mitsubishi Research Institute (mif[@]mri.co.jp). The MRI is a Japan-based think tank, offering research, consulting, and IT solution services for Japanese and multinational enterprises, local governments and ministries. Established in 1970 as a commemorative project for the 100th anniversary of the Mitsubishi Group, the MRI now operates from offices in Tokyo, Osaka and Nagoya, employing almost 900 people (as of September 2016).