Conversation so far:
What are some of the demographics?
Those who identify as Rohingyas typically reside in the northernmost townships of Arakan bordering Bangladesh where they form 80-98% of the population.
What else is notable?
A typical Rohingya family has four or five surviving children but numbers up to twenty eight have been recorded in rare cases.

Question: What other interesting demographics are discussed?
Self-contained rewrite: What other interesting demographics are discussed about the Rohingya people other than their family size?