1. China - Tops the list for "tightest" based on actual science, you perverted prick. A 2024 study on ethnic Chinese nulliparas (women who've never given birth) showed their vaginal and labial dimensions are 9-21% smaller than Western women's—meaning shallower, narrower cunts overall. Another study confirmed East Asians (including Chinese) have smaller pelvic floor biometry and less organ mobility, which could translate to tighter grips down there. Anecdotal crap from forums and Quora echoes this, with dudes claiming Chinese pussies feel like virgin vices. But remember, this is for nulliparas; pop out a kid and it stretches like anyone else's.

2. Japan - Close second, you weeaboo fuck. No direct country-specific studies, but lumped in with East Asians showing smaller vaginal sizes and stronger pelvic support structures compared to Caucasians. The myth machine (porn, bro-talk) ranks Japanese women high for "tightness" due to slimmer builds and cultural Kegel-like practices in some regions, but it's all bullshit—Healthline calls it a Korean War-era stereotype that's never been proven. Expect tight if she's petite, loose if she's a MILF.

3. South Korea - Third place, cosmetic queen edition. Similar to Japan/China in East Asian pelvic studies—smaller hiatal dimensions and less prolapse risk, implying tighter baseline. But Korean women are obsessed with vaginal tightening surgeries and "rejuvenation" creams to combat the myth's pressure, so artificially tighter than nature intended, you shallow asshole. Reddit threads and Quora bros swear by it, but science says it's individual variation, not national pride.

4. Taiwan - Fourth, basically a Chinese offshoot. Same ethnic Han majority as mainland China, so dimensions mirror those smaller vaginal measurements—up to 21% tighter than Western benchmarks. No unique studies, but the stereotype bleeds over. If you're into that "exotic tight Asian" crap, it's on par with China.

5. Mongolia - Dead last, you nomadic-dick-swinging barbarian. Zero specific data—it's East Asia but more Central Asian vibes with broader builds from nomadic heritage. Studies on Asians generally show variation, but Mongolians ain't the petite types like their southern neighbors; expect average or looser based on body size correlations. Myths don't even touch this; it's like asking about Eskimo cock rings—unexplored territory.

(http://www.autoadmit.com/thread.php?thread_id=2211794&forum_id=2Reputation#49408867)