The US unemployment rate fell to 3.7 per cent in September, the lowest rate since December 1969.
Figures from the Department of Labor also showed the US economy created 134,000 jobs during the month, fewer than expected.
Significant job growth was seen in professional and business services, healthcare and construction.
Average hourly earnings rose at an annual rate of 2.8 per cent in September, down from 2.9 per cent in August.
Employment data for July and August were also revised to show an additional 87,000 jobs were created.