The answer will vary from one country to another. Comparable and comprehensive global statistics are not available.
What percentage of adults over the age of 50 are employed?
It is not always easy. Sometimes the context can help. Also, if the reference is to a fraction where that makes no sense, it is likely to be a percentage. For example, consider the statement "27.2 adults in the US are obese". Clearly, it cannot be 27 adults and a fifth of one so the 27.2 must refer to either a percentage of the adult population or some scaling unit such as 27.2 thousand or 27.2 million.
4/5 adults 1/5 child
They were considered adults when they started developing which was around 13 years old.
2 - 3 percent of adults sleepwalk occasionally
77.7%
55.25% to be exact!
Kids are considered adults when they reach 18, which is the age of majority in most countries.
40 percent of the adults in 1970 have quit smoking
42/59%
15 percent
Approximately 80% of the population are considered adults.