with CAPI technique found that about 2.4% of the population declared to be homosexual or bisexual, 77% heterosexual, 0.1% transsexual, 4% reported to be "other", 15.6% did not answer. An extended survey including all the people that during their lives fell or are in love with a same-sex individual, or that had sexual intercourse with a same-sex individual, increases the percentage to 6.7% of the population. More men than women, more northerners than southerners, more younger than older people identified themselves as homosexuals. Members of 7725 families spread over 660 Italian municipalities took part in the survey. 2016 A female-only survey found that 1% of Italian women identify as gay or bisexual. Japan 2012 A survey by the Dentsu group estimated that 5.2% of Japanese are LGBT. 2015 Dentsu's new estimate for the LGBT population of Japan was 7.6% for people aged 20 to 59. 2018 Dentsu's new estimate for the LGBT population of Japan was 8.9% for people aged 20 to 59. Mexico 2017 According to a nationally representative study organized by Kantar TNS, 88% of Mexican men aged 18 to 30 years identify as heterosexual, 6% as homosexual, 5% as bisexual, and 1% as other. Netherlands 2001 In a face-to-face survey carried out by the Dutch National Survey of General Practice, of the 4,229 men with a valid answer to the sexual orientation question, 1.5% self-identified as gay, 0.6% as bisexual and 97.9% as heterosexual. Of the 5,282 women, 1.5% self-identified as lesbian, 1.2% as bisexual, and 97.3% as heterosexual. 2016 A female-only survey found that 8% of Dutch women identify as gay or bisexual. New Zealand 2007 In an anonymous survey of 8,000 New Zealand secondary school students conducted by the University of Auckland, 0.9% of those surveyed reported exclusive attraction to the same sex, 3.3% to both sexes and 1.8% to neither. 1993–2011 The Dunedin Multidisciplinary Health and Development Study is a prospective study that looked at changes in sexual behavior, attraction, and identity among around 1,000 New Zealanders born in 1972 or 1973. Samples were first interviewed in 1993, when they were 21, and again at ages 26, 32, and 38, in 2010/2011. The study found a strong decrease in the share of women who self-reported exclusive heterosexual attraction from age 21 (88.3%) to age 26 (82.5%), but a small increase at age 32 (84.2%) and again at 38 (87.6%). By contrast, among men, the