Male, 46, none.
That oughta bring the average down a bit.
Yes, you are.
It’s like when people say “it’s not the money” and we all know “it’s the money”.
Sooo… when’s the next DopeFest? 
I hate to do a “Me too”, but “Me too”.
48, male, married for 12 years. 10 partners before that beginning at age 21. was kinda dorkish throughout high school and college. for my pre-maritals, the shortest was 10 days. longest was 4 years.
I hate to do that as well so I’ll just say moi aussi.
This thread and OP fit perfectly for this forum. The OP is asking a question that he may not have wanted to bring up with his IRL friends and is wondering what is the average number of other members if they want to share. I don’t see this as a “I’ve got a huge dick, do you?” kinda thread we see every so often.
To answer the OP. 11 is my number IIRC. 40 years old but had a nigh on 10 year dry patch which has happily come to a end within the last year as I finally found someone who’d put up with me 
59yo male. Two marriages (the current one is coming up on 30 years), one long-term relationship (for just over a year), and two short-term ones that broke up soon after.
37 y/o male
lost it at 15
was married for 7 years and was totally faithful (at least I was) from 18 to 25
grand total last mental count…30 partners
I’m 36. Probably 50 or so. Couldn’t really know for sure.
35 YO female
I lost my virginity at age 19 and 11 months - I was waiting for age 20. Anyway, counting him, there were 6, I believe, including my current SO.
Including two long term relationships, one one-night stand, and one hedonistic, beautiful summer romance, among others not so noteworthy or not worth talking about.
Male
Age 31
Married 2 years
Active for 13 years
Well over 20 partners.
Male, 55. Maybe 25-30 sexual partners by the time I met my wife, depending on how you define sexual partner. (see my post in the “did I waste my college eduation” thread.) Been married for almost 25 years and my count hasn’t gone up at all, so the trend seems to be pretty flat.
One.
Ever heard of prostitution?
One as well for me. I married my high school sweetheart. I did have a boyfriend before him, and we fooled around a lot, but no PIV sex, if that’s what we’re counting for the “losing your virginity” metric.
Maybe that means I’ve missed out; I dunno. Sometimes I wish I had more experiences with different partners, but I’d never trade what I have with Mr. Snicks for anything.
American male, age 47. I was a late bloomer and lost my virginity as a college junior. I was pretty damn impatient to lose my V-card by then, and was ecstatic when it finally happened. I’ve been married for just over 21 years and have been faithful to my wife the whole time. Before that, I had three partners of varying degrees of intimacy (two of whom were named Amy, oddly enough).
Aged 37. Three. Two were partners (one was a 9.5 year relationship, the other was my rebound after that). Third is a friends with benefits thing that I recently broke off as I feared that she had stronger feelings for me than I really wanted to deal with. I hope I don’t live to regret that.
So, few, but your first real relationship being very long tends to do that to you.
Male, age 36, somewhere in the range of 250 but I stopped counting at around 140.