In 2012, 818 000 persons acquired citizenship of an EU28 Member State, up by 4% compared with 2011 and by 6% compared with 2009. In 2012, the highest naturalisation rates were registered in Hungary (12.8 citizenships granted per 100 resident foreigners), Sweden (7.8) and Poland (6.6), and the lowest in the Czech Republic and Slovakia (both 0.4), Estonia (0.6) and Austria (0.7). On average, 2.4 citizenships were granted per 100 resident foreigners in the EU28.