As of 2011 only one survivor remains overseas.
However, when they were "rediscovered" by Catholic priests in 1966, only three elderly survivors remained.
But Japan says more survivors remain in the North.
About 2,000 survivors remain in border camps, and another thousand are hiding inside Thailand.
The crew of the Enterprise must determine why only two survivors remain on an otherwise obliterated planet.
After most of the population escapes the planet, a few survivors remain on Io, with only one ship remaining.
A few stubborn survivors remained, but soon the place was abandoned.
About 120,000 survivors remained in the ruins of the devastated city.
Durations vary as to the amount of time a survivor may remain in the acute stage.
About 70,000 survivors remain in the United States, a shrinking group despite expanding families.