How many rats are there on earth?
one rat per person in major cities like New York
Everyone knows that rats are various medium-sized, long-tailed rodents. It is important to know that rats are known to transmit several potentially fatal diseases to humans, including viral hemorrhagic fever, plague, Weil’s disease, and Q fever. Studies reveal the fact that there are up to 4 billion rats on earth. For example, in Great Britain there are 80 million. Needless to say, it is estimated that there is at least one rat per person in major cities like New York. Awful, isnâ€™t it?