Hi, Galaxy!
This is just an assumption of mine, based on what I've read on here and other TG forums, for more than five years now as an active participant, since I started HRT. BTW I don't live in either the US or Germany at the moment, but I used to live in the US years ago. I am a Caucasian myself.
My assumption is this:
The US' most successful (confident and passable that is) MTF women are the ones that usually populate forums like these regularly, with comments, answers to questions, etc. The other women don't post so frequently. But they exist as well. You just don't hear about them as much.
Now, this is my personal view, again, based on having read these forums for years an years, thus learning a lot:
MANY of the US trans women with great physical results, who started after their puberty was over, are so successful because they were born intersex. If you are not familiar with this term, please just go to
Wikipedia.org and type intersex, or do a Google search with any of these phrases "intersex individuals" "intersex people" or anything similar.
Every single time I read about somebody mentioning a great breast size for a trans woman, such as anything above a B cup without being overweight or having breast implants, or somebody having a natural soft-looking face and a great hip to shoulder ratio, smaller bone structure including hands and feet, actually having small breasts already etc. BEFORE EVEN STARTING HRT, it invariably leads to this particular person being an intersex individual of any variation, but most of these women don't mention their condition on every post they make, until maybe a friend of theirs mentions it in another response "hey girl, you should mention that you were born intersex, so others may know why you've had such great results from your HRT".
As I've said before, this is just an educated assumption. I am pretty sure I wasn't born intersex myself, so I am struggling in the "passing" department, even after 5 1/2 years on HRT, incuding orchi and t-shave the 15th month after I started HRT. But I was also a bodybuilder my whole puberty, because of harassment and bullying issues in school and gender confusion. Big mistake, guilty as charged, but I was so ignorant and lacking information at the time, and my family and social environment were an extremely conservative and closed-minded religion-driven burden for me, with a 100% macho-oriented mentality, so I had to conform or perish, at the time.
Now, why are there so many intersex individuals in the US going for transitioning as females? Simply because there's loads of information available in the US in this day and age, tons of resources, institutions both governmental and private, to support any people pursuing their dream of gender identity correction and a happier existence in the correct gender. So people who are intersex, with gender dysphoria issues, learn that, second to those individuals starting HRT at the onset of puberty, they are actually the best possible candidates for transition, passability-wise.
Just my opinion on this. I hope this could give you some insight. Still, through extensive HRT emphasizing estradiol, one can have great results even if not being born intersex. In my particular case, I look very different from how I did before starting HRT. My skin, overall, is soft and nice-looking and I don't do any special thing for it other than a mild exfoliation when I shower. I've lost like 90% of my overall body hair except armpits, pubic area and a bit on the knees and scattered everywhere else. I look way less T-shaped in my body frame, closing in to an hourglass shape, but of course my hips are nowhere as nice-looking as those of a well-developed cis woman. I don't have big breasts, but they have a nice shape even though I have a very big rib cage as a result of my past bodybuilding, which messed up my upper body for good. My facial muscles have softened noticeably. So there's lots of nice stuff coming from HRT even if one wasn't lucky to be born intersex, but one has to be optimistic and patient, HRT results go on for our entire lives, I've read of people who still see positive feminization changes even after 20+ years on HRT!!!
I hope all this was a bit insightful and thanks for reading it!
Cheers
Bibi B.