These are the most popular Halloween costumes for kids and adults for 2017

Little heroes will rule Halloween this year. 

More than 3.7 million children plan to dress as an action character or superhero for Halloween this year, according to National Retail Federation data released Thursday. Batman wasn't counted in that number, swooping in at No. 2 with 2.9 million electing to dress as the Dark Knight. 

But, not everyone wants to be a hero this year. The NRF reports 2.9 million children will dress as princesses and 2.2 million will dress as an animal. 

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Costumes opt for darker powers among adults, where a record 48% plan to dress up this year. The No. 1 pick is a witch. 

Most popular costumes for children:

1. Action/superhero

2. Batman character

3. Princess

4. Animal (cat, dog, monkey)

5. Spider-Man

6. Star Wars character

7. Witch

8. Marvel Superhero (excluding Spider-Man)

9. Pirate

10. Disney Princess

Most popular costumes for adults: 

1. Witch

2. Batman character (Batman, Catwoman, Harley Quinn, etc.)

3. Animal (cat, dog, etc.)

4. Pirate

5. Marvel Superhero (Spider-Man, Captain America, etc.)

6. Vampire

7. Zombie

8. DC Superhero (excluding Batman and Wonder Woman)

9. Star Wars character

10. Slasher movie villain 

11. Wonder Woman

Follow Ashley May on Twitter: @AshleyMayTweets