Multiple choice True or False: For every human in the world there are one billion ants True False Reveal answer Fill a bubble to check yourself B Correct answer Explanation Recent scientific estimates place the total number of ants on Earth at around 20 quadrillion (20 x 10^15). With a human population of around 8 billion, this equates to about 2.5 million ants per human, which is far less than one billion.