" According to American sociologist Kristin Park, who has reviewed most of the surveys carried out on child-free men and women in the last twenty years, the primary and most frequently cited reason for their decision (in 79 percent of surveys) is freedom. These people prized their emotional and financial autonomy, their freedom of movement, and their ability to take advantage of every opportunity for personal fulfillment. The second reason, mentioned in 62 percent of surveys, is marital happiness. After that came professional and financial considerations, fear of overpopulation, and lack of interest or a dislike of children. "

― , The Conflict: How Modern Motherhood Undermines the Status of Women