Europe, Central and South America, parts of Asia, the Middle East and Africa, and Mexico, Louisiana, Puerto Rico, and Quebec. Based on detailed civil codes. China, Soviet Union, Eastern Europe, Cuba, parts of Africa and Asia. Middle East, Indonesia, Malaysia, Pakistan, Afghanistan, certain former Soviet Union republics, Central Asia, Egypt, and Algeria. Based on religious principles from the revelation of God.
Many legal systems are combinations of one or more of the above.
Japan, for example, combines Confucian religious theory, which emphasized the group and de-emphasized the individual, with the German Civil Code. International business law. Sources - in order of importance. Treaties and conventions - agreements between nations sponsored by one on of the nations or an international organization. Customs - between countries arising to the status of law.