> and there's a slightly lower (like 0.5%) number of male people born?

What region are you talking about? At least globally, there seem to be more men born than women.[1] Also seems to hold for the US[2].

[1] https://upload.wikimedia.org/wikipedia/commons/f/f6/Global_P...

[2] https://en.wikipedia.org/wiki/File:USA_Population_Pyramid.sv...