On 30th Dec, a record-breaking 1,600 Taglit-Birthright participants arrived in Israel in a single day. The 39 groups included from the US, Australia, Argentina, Canada, Germany and Russia. The free 10-day tour included a mega event in Jerusalem for the 2,500 participants currently in Israel.
http://www.israelnationalnews.com/News/News.aspx/175723#.UtKy0Pvzm0I
http://www.jpost.com/National-News/This-is-your-country-welcome-home-Netanyahu-tells-Birthright-participants-338221