Non believers are not in the minority. Full stop.

Interestingly, if you, as the secular society has done, add up all the known polls carried out by accredited pollsters, there are more that relate something closer to the true secular state of The UK than say otherwise, despite the successful attempts by The House of Bishops, when scrutinising the appropriate legislation, to have loaded questions in the census to boost their propaganda.

Hence the explanations in the link I gave.