As internet users become more and more comfortable with Google, it means the content they type into Google is more casual, thus containing more long-tail keywords than ever.
Overall, 95% of Google searches are for a term that gets less than 50 searches per month.
Google search terms are getting more specific and longer in the number of words. Approximately 50% of searches on Google are 4+ words. In 2018, that number rose to 65%.