Except those who refuse
Abu Hurayrah (radi Allahu anhu) reported that the Messenger of Allah (sal Allahu alaihi wa sallam) said, “Everyone of my Ummah will enter Jannah except those who refuse”. He was asked: “Who will refuse?” He (sal Allahu alaihi wa sallam) said, “Whoever obeys me, shall enter Jannah, and whosoever disobeys me, has refused (to enter Jannah)”.
The word Ummah here stands for the community which accepted the invitation of the Prophet (sal Allahu alaihi wa sallam), that is to say, the people who on his call embraced Islam. Out of this community who follow him faithfully will go to Jannah.
And Allah Knows Best!