Can you be more specific? There will be MANY cities with a population of less than 100,000.
iran
It shows what proportion of the total population are less than (or equal to) each value.
About 98% of the population.
A census would get data from 100% of the population (or at least close to 100%). Sampling would be to get data from some of the population (much less than 100%).
Gambier Islands's population is 1,337.
Marquesas Islands's population is 8,632.
Cham Islands's population is 3,000.
The population of Islands Region is 918,151.
The population of Pitcairn Islands is 67.
Comoros Islands's population is 984,500.
The population of Cíes Islands is 3.
Dinagat Islands's population is 120,813.
The population of Islands District is 140,188.
Andaman Islands's population is 343,125.
Andaman Islands's population is 2,011.
The population of Falkland Islands is 5.