Constitutional Design — Social Science STD 9 — Question

3. Non-democratic countries do not have a constitution.

Explanation:
Israel, New Zealand, Saudi arabia, United Kingdom and Canada does have uncodified constitution also reffered as unwritten constitution. An "uncodified constitution" is a constitution made up of rules that are found from various documents in the absence of a single document or written constitution.
Only two countries in the world do not officially call themselves democratic; they are Myanmar (Burma) which is a Military Dictatorship; and Vatican City, which is a Absolute Theocratic Monarchy.