Fourscore years old. This age is confirmed by the statement (in Deuteronomy 31:2; Deuteronomy 34:7) that Moses was a hundred and twenty at his death. It is also accepted as exact by St. Stephen (Acts 7:23, Acts 7:30).
Moderns are surprised that at such an age a man could undertake and carry through a difficult and dangerous enterprise; but in Egypt one hundred and ten years was not considered a very exceptionally long life, and men frequently retained their full vigour till seventy or eighty.