Noah's wife was not a believer with him, so she did not join him; neither did one of Noah's sons, who was secretly a disbeliever but had pretended faith in front of Noah. Likewise most of the people were disbelievers and did not go on board.
The scholars (Ulama) hold different opinions on the number of those who were with Noah on the ship. Ibn Abbas stated that ther were eighty believers, while Ka'ab Al-Ahbar held that there were seventy-two. Others claimed that there were ten believers with Noah.