United States - Population Ages 15 to 64 for the Slovak Republic was 67.74734 % of Total in January of 2020, according to the United States Federal Reserve. Historically, United States - Population Ages 15 to 64 for the Slovak Republic reached a record high of 72.22449 in January of 2009 and a record low of 61.48222 in January of 1964. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Population Ages 15 to 64 for the Slovak Republic - last updated from the United States Federal Reserve on April of 2024.