"Only about one percent of people are naturally ambidextrous, which equals out to about 70,000,000 people out of the population of 7 billion."
WikipediaAmbidexterity is the ability to use both the right and left hand equally well. When referring to objects, the term indicates that the object is equally suitable for right-handed and left-handed people. When referring to humans, it indicates that a person has no marked preference for the use of the right or left hand.
https://en.wikipedia.org/wiki/Ambidexterity[https://en.m.wikipedia.org/wiki/Ambidexterity]