With a population estimated to be above 8M. Jordanian society is made up of a mixture of people from various backgrounds. Jordanians are known for their hospitality and for carrying on the importance of the clan, or tribal significance. As Jordan houses a large number of Palestinians, over the years most of them have become a part of the Jordanian population. These Jordanians of Palestinian origin have greatly contributed to the economy, as other Jordanians of other backgrounds. The non-Arab Muslim population of Circassians come from the Caucasus region of western Asia. Many of them migrated to Jordan in the 19th century due to the Russian expansion into western Asia. Like them, many Chechens also migrated from Grozny and have gradually assimilated into Jordanian society. Other smaller minorities include Druze, Kurds, and Armenians. There has also been a massive influx of refugees due to regional conflicts from bordering countries such as Syria and Iraq.