The 4 Imam Of Fiqh Hanafi, Maliki, Shafi, Hanbali
Differences of these Fiqhi schools are very technical which requires a special study to learn about them. They have different framework and deduce different results. A series of articles on this topic recently written by the eminent scholar Ammar Khan Nasir can be helpful if you can read Urdu. Here is the link: http://www.al-mawrid.org/index.php/articles_urdu/ajax_author_urdu/ishraq/associate_author_articles/43 Most of the Muslim population is Hanafi, like in India, Pakistan Bangladesh, Afghanistan, etc. The followers of Imam Shafii’i are found in Egypt and also in the middle east.