This meant 97 per cent of the eligible population was tested.

As nearly 50% of the eligible population doesn't pay tax, was the poll organised to take account of this?

However, just four per cent of the eligible population actively donate blood.

Millions joined, and at its peak in the 1920s, the organization included about 15% of the nation's eligible population.

At its peak in the mid-1920s, the organization claimed to include about 15% of the nation's eligible population, approximately 45 million men.