This study discusses the thoughts of ‘umrānby Ibn Khaldūn and its contributions in the sociology and civilization areas. In addition, this study also analyses the ‘umrānphilosophy that was first introduced by Ibn Khaldūn in the 14-th century. This study was conducted using the deductive and inductive analysis methodology as well as history-search gathered from the Muqaddimahbook and other related past studies. It was found that the ‘umrāntheory emphasises on the combination of humans and the nature as well as obedience towards God’s laws, which is seen as the best lifestyle that needs to be practiced by all humankinds. Ibn Khaldūn also emphasised on the aspect where humans should comprehend histories in developing the society in the future. In addition, the ‘umrānicthought is seen as contributing and significance towards the studies of human sociology and civilization. This can be seen when the ideas of ‘umrānhave influenced later sociological theories such as Malik Bennabi, Arnold Toynbee and others. In addition, Ibn Khaldūn also established anIslamic sociological framework that included God as the lawmaker, man as generator and nature as the source for utilization. Some scholars also pointed out that Ibn Khaldūn highlighted his ideas on the theory of Muslim revival and the rise and decline of civilization.