What is the description of pubic hair that is considered a sign of puberty among jurists, what is the minimum age for its appearance in Arab countries, and what is the minimum age for male puberty measured against female puberty at 9 years?

The scholars have stated that the pubic hair which confirms puberty is the coarse hair growing around the male organ or the female private parts, which requires removal with a razor, and not the fine, weak downy hair. The minimum age for puberty in males is twelve years, and in females, nine years. There is no evidence to specify this age for Arab countries exclusively over others.