Ultra-Orthodox Jews make up 10% of the population, have birthrates 3x the national average, and 2/3rds of the men choose not to work, studying instead. They rely on government support.

Having such a large portion of the population not looking to enter the workforce is a problem for Israel's growing economy - some employers are trying to make it easier, but there are real challenges on both sides.

http://themedialine.org/news/news_detail.asp?NewsID=34199