How often is a child born with colorblind?

1 in 12 people have some sort of color deficiency. About 8% of men and 0.4% of women in the US.

0.38% of women are deuteranomalous (around 95% of all color deficient women).

0.005% of the population are totally colour blind.

0.003% of the population have tritanopia.

Protanomaly occurs in about 1% of males.

Deuteranomaly occurs in about 5% of males. It's the most common color deficiency.

Protanopia occurs in about 1% of males.

Deuteranopia occurs in about 1% of males.