According to statistics, currently there are approximately drug users living in the united states.
a. 22 million
b. 15 million
c. 10 million
d. 5 million

The answer is letter A.  

Drug use is the most common problem of many societies all over the world. This does not only affect adults but also younger generations alike. It has grown rampant for many years and is still a continuing trend in many societies. According to statistics, drug users in the United States total to an approximate of 22 million people. This includes individuals who are aged 12 years or older. It comprises 9.4% of the total population of the United States. It has seen an upward trend of 8.3% since the year 2002.