The Elvis Presley phenomenon refers to the cultural and social impact of Elvis Presley during his career and following his death. There are over 500 Elvis fan clubs in the United States of America, and they exist in every state except three: North Dakota, Idaho and Wyoming. According to the American Demographics magazine, 84% of the US people say that their lives have been touched by Elvis Presley in some way, 70% have watched a movie starring Presley, 44% have danced to one of his songs, 31% have bought an Elvis record, CD or video, 10% have visited Graceland, 9% have bought Elvis memorabilia, 9% have read a book about Presley, and 5% have seen the singer in concert.