How many inhabitants does Germany have?

EDITORIAL LEARNING AID

Why is this answer correct?

Germany has around 84 million inhabitants. 70 and 78 million are clearly too low, 90 million clearly too high. The other figures are therefore either too low or too high and are incorrect.

Germany: around 84 million people.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.