How old the stars of 'Stranger Things' are compared to their characters on season 4

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How old the stars of 'Stranger Things' are compared to their characters on season 4
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Actress Millie Bobby Brown is 18 years old, while her character Eleven should be about 14 on the show.

Actress Millie Bobby Brown is 18 years old, while her character Eleven should be about 14 on the show.
Millie Bobby Brown was born on February 19, 2004.Netflix and Getty Images

When Eleven was first introduced on the show, we didn't know her exact age — only that her mother had been trying to find her for about 12 years.

Now that about two years have passed, that would mean Eleven is approximately 14 years old.

Finn Wolfhard is now 19 years old, though his character Mike Wheeler is meant to be around 14.

Finn Wolfhard is now 19 years old, though his character Mike Wheeler is meant to be around 14.
Finn Wolfhard was born on December 23, 2002.Netflix and Getty Images

Like Eleven, Mike and his friends should all be just about 14 years old. They graduated from middle school between seasons two and three, and are now freshman in high school on "Stranger Things" season four.

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Noah Schnapp is currently 17 years old — though Will Byers is about 14 now.

Noah Schnapp is currently 17 years old — though Will Byers is about 14 now.
Noah Schnapp was born on October 3, 2004.Netflix and Getty Images

Of all the actors and their fictional counterparts, Schnapp used to be closest matched with his character. But now that we had a longer gap between seasons, Schnapp is a few years ahead of Will.

Caleb McLaughlin is the oldest of all the main boys. He's now 20 years old, while Lucas is about 14.

Caleb McLaughlin is the oldest of all the main boys. He's now 20 years old, while Lucas is about 14.
Caleb McLaughlin was born on October 13, 2001.Netflix and Getty Images

Just like the rest of the friend group, Lucas is in his freshman year of high school on "Stranger Things" season four. McLaughlin was the first of his younger costars to get a driver's license, and now he's almost of legal drinking age.

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Priah Ferguson plays Erica Sinclair, who is about 11. But Ferguson is 15 years old now.

Priah Ferguson plays Erica Sinclair, who is about 11. But Ferguson is 15 years old now.
Priah Ferguson was born in October 2006.Netflix and Getty Images

Erica is now in middle school, taking over the role of youngest nerd on "Stranger Things" now that the boys have aged up.

Sadie Sink is 20 years old, while her character is around 14.

Sadie Sink is 20 years old, while her character is around 14.
Sadie Sink was born on April 16, 2002.Netflix and Getty Images

Just like McLaughlin (who plays her on-screen love interest) Sink is a bit older than her other teen costars on "Stranger Things."

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Gaten Matarazzo is 19 years old, and plays 14-year-old Dustin Henderson.

Gaten Matarazzo is 19 years old, and plays 14-year-old Dustin Henderson.
Gaten Matarazzo was born on September 8, 2002.Netflix and Getty Images

Once again, Dustin should be around 14 on the fourth season of "Stranger Things" as he heads into high school. But Matarazzo will turn 20 years old later this year, officially leaving his teenage years behind.

Joe Keery is 30, while his character Steve Harrington just finished high school and is about 19 years old.

Joe Keery is 30, while his character Steve Harrington just finished high school and is about 19 years old.
Joe Keery was born on April 24, 1992.Netflix and Getty Images

Keery's character Steve has become friends with the younger teens on the show and looks after them. In real life, the actor is a decade older than all of his costars.

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"Stranger Things" newcomer Maya Hawke is 23 years old, and plays 18-year-old Robin.

"Stranger Things" newcomer Maya Hawke is 23 years old, and plays 18-year-old Robin.
Maya Hawke was born on July 8, 1998.Netflix and Getty Images

Robin's character seems to be in her senior year of high school in season four, and would therefore be around 18 years old.

Natalia Dyer is 25, and plays high school senior Nancy Wheeler.

Natalia Dyer is 25, and plays high school senior Nancy Wheeler.
Natalia Dyer was born on January 13, 1997.Netflix and Getty Images

Nancy is in her final year of high school, which means she's around 18 years old like Robin — about eight years younger than the actress in real life.

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Charlie Heaton is 28 years old, while his character Jonathan Byers is about 18 years old.

Charlie Heaton is 28 years old, while his character Jonathan Byers is about 18 years old.
Charlie Heaton was born on February 6, 1994.Netflix and Getty Images

Heaton and Dyer are dating in real life, just like their fictional counterparts on "Stranger Things." Both characters are applying for colleges and getting ready to leave high school, which means they're around 18 years old.