90% of humanity that ever lived hasn’t known about Jesus. Are they all damned? Is someone that just has a passing knowledge also damned?
Like the south park movie, heaven has an entry sign of a few tens of thousands while hell has billions and counting faster than you can see.
Scripture has an answer for every important question including the one you posed..... Matthew 13:13 Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat: 14 Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.
Matthew 7:13-14
13 Enter ye in at the strait gate: for wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat:
14 because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.