Child out of wedlock, what Surname to choose?

So this question is for unmarried Couples or Co-habiting Parents. Normally the kids would remain on the Mother's Surname in these situations.. but with the rise of open minded individuals there is S been recent cases where kids of unmarried Father gets the thumbs up from mom to be ilon his Surname. With that said

Most children born today, are mainly born to unmarried or Co-habiting parents.. Many times The unmarried Father would want his children born of wedlock to be on his Surname, but in First world countries like America , Canada or UK, things might be a bit different as Women in that side of the globe Run the Show in terms of their wedlock kids Surname.. with that said would you want your kids on your Own surname or Their father's? This is for unmarried or Co-habiting couples.

Mother's surname thank you very much
I'd fair and just.. it depends on the situation (or my personal feelings)
His dad's surname even when unmarried... It's 2024 girls can't have "EVERYTHING"
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Child out of wedlock, what Surname to choose?
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