Life insurance though worldwide development especially among developed countries, plays an important role in the economic development. Despite its important role in the economy, life insurance is not sufficiently known by the Iranian families and has a little role in the country's economy. Various factors affecting Iranian life insurance development have been examined in this paper. The current research is based on the field study method and it's statistical Population consists of the whole country. For this reason, a sample has been chosen randomly among various available clusters. Based on the collected data and using Multiple Classification Analysis (MCA), the results indicated that believing whether an individual get a severe illness at age 65 or not, will be the most effective factor regarding the life insurance demand. Each individual's age is considered as the second effective factor. Other effective factors are devising, policy price, considering religious issues and beliefs, membership in pension fund, and spouse ecmployment, respectively.