 Among these Druids, 35.5% were registered independents, 31% Democrats, 5.1% Libertarians, 4.6% Republicans, and 3.6% Greens.The historian Ronald Hutton estimated that, in 1996, there were approximately 6000 members of Druid groups in England, two-thirds of whom were OBOD members.The 2001 UK Census, 30,569 individuals described themselves as "Druids" and 508 as "Celtic Druids".