Lately, a minority is also an
oppressed/less-empowered group or member thereof, regardless of the actual size of the group. One can be a minority even if one is technically in the majority.
For example, there are about six million more women than men in the United States but women are still often considered a 'minority'.
Yes, this is an example of semantic drift, and is not what the word originally meant. Population statistics dated 1999 from the census.gov website.