According to the General Statistics Office of Vietnam's report for 1 April 2009, 6.8 million (or 7.9% of the total population) are practicing Buddhists, 5.7 million (6.6%) are Catholics, 1.4 million (1.7%) are adherents of Hòa Hảo, 0.8 million (0.9%) practise Caodaism, and 0.7 million (0.9%) are Protestants. In total, 15,651,467 Vietnamese (18.2%) are formally registered in a religion.[132] According to the 2009 census, while over 10 million people have taken refuge in the Three Jewels of Buddhism,[133][134] the vast majority of Vietnamese people practice ancestor worship in some form. According to a 2007 report, 81% of the Vietnamese people do not believe in God.