This command will speed up the growth of the population of the planet you currently have selected in-game.
grow_pops [growth rate]
| Growth Rate | The growth rate you wish to set for your selected planet's population - a number between 0 and 100. |
grow_pops 10
Executing the above command will cause the population of your selected planet to grow at a rate of 10%.
grow_pops 100
Executing the above command will cause the population of your selected planet to grow at a rate of 100%.