This model shows how Markham’s population could change over the next 100 years. The population is affected by births, deaths, and net migration. Net migration includes both people moving into and out of Markham. Births and migration increase the population while deaths reduce it. The model also uses a carrying capacity of 500,000 people. The carrying capacity represents an assumed limit of people to how much the city of Markham can support. As Markham’s population gets closer to this limit, the growth rate slows down. Because of this, the population grows faster at the beginning of the simulation and then  slowly as it approaches the carrying capacity.

This model simulates how the NYC population changes over time based on births, deaths, immigration, and emigration. Births and immigration add to the population, while deaths and emigration reduce it. During the simulation run, the population limit helps prevent unlimited exponential growth by slowing births and immigration as the population approaches the maximum. The rate variables can be adjusted to explore different population scenarios over the course of the simulation.