Non-Marxist-Leninist
These are countries whose constitutions make references to socialism, but do not subscribe to Marxist-Leninist ideology. As such, they represent a wide variety of different interpretations of the term socialism. Countries such as Egypt and Libya, for example, have adopted different versions of Arab socialism as their ideology at some point in their history. Tanzania, on the other hand, adopted African socialism as its official doctrine. Portugal and Sri Lanka declared themselves to be following democratic socialism.
Read more about this topic: List Of Socialist Countries