Even if you were the only person in the world, Jesus would have died for you.
The Bible makes it clear that the vast majority of people will go to hell.
Mat 7:13-14 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: because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.
And Jesus died specifically for His people (Jn 10:15, 28), His church.
Eph 5:25b Even as Christ also loved the church, and gave himself for it;
So if you were the only person in the world, chances are you would be damned and Jesus would not have bothered suffering for six hours on the cross and dying for three days just for you. See also
this thread.