What is the biggest sibling age difference?

There are plenty of famous siblings out there with significant age differences. Kourtney Kardashian is 18 years older than her youngest sister, Kylie. Siblings Tracee Ellis Ross and Evan Ross are 16 years apart.

What age gap should be between siblings?

VERDICT: As per World Health Organization, a gap of at least 24 months should be there between your first and second child. By this time, the mothers body gets fully recovered from her first pregnancy as she replenishes the nutrients she lost in her first pregnancy.