What Causes a City's Population to Change Over Time?

A city’s population changes over time because people are coming and going, just like toys in a toy box.

Sometimes, new families move to the city because they find jobs or want to live near friends. It's like when your friend moves into your neighborhood, now there's more people playing together! This is called immigration.

Other times, some people leave the city for different reasons. Maybe their job takes them somewhere else, or they move closer to their grandparents. That’s called emigration, and it makes the city a little quieter, just like when your friend moves away.

Also, births and deaths affect population too. When babies are born, there are more people in the city. But when people pass away, there are fewer. It's like a game where sometimes you add toys to the box, and sometimes you take some out.

So, cities grow or shrink based on who moves in, who moves out, and how many people are being born or passing away, all at the same time! A city’s population changes over time because people are coming and going, just like toys in a toy box.

Sometimes, new families move to the city because they find jobs or want to live near friends. It's like when your friend moves into your neighborhood, now there's more people playing together! This is called immigration.

Other times, some people leave the city for different reasons. Maybe their job takes them somewhere else, or they move closer to their grandparents. That’s called emigration, and it makes the city a little quieter, just like when your friend moves away.

Also, births and deaths affect population too. When babies are born, there are more people in the city. But when people pass away, there are fewer. It's like a game where sometimes you add toys to the box, and sometimes you take some out.

So, cities grow or shrink based on who moves in, who moves out, and how many people are being born or passing away, all at the same time!