 The term baby boom refers to a noticeable increase in the birth rate.The post-World War II population increase was described as a "boom" by various newspaper reporters, including Sylvia F. Porter in a column in the May 4, 1951, edition of the "New York Post", based on the increase of 2,357,000 in the population of the U.S. in 1950.The first recorded use of "baby boomer" is in a January 1963 "Daily Press" article describing a massive surge of college enrollments approaching as the oldest boomers were coming of age.