#1. Books

Books are the number one most common items people tend to forget on planes.

#2. Cell Phones

(KIM JAE-HWAN/AFP/GettyImages)

Cell phones are the second most common items people forget when they leave a plane.

#3. Magazine or Newspapers

(JONATHAN NACKSTRAND/AFP/GettyImages)

Magazines and Newspapers are the third most common items people tend to forget on planes.

#4. Clothing

(Photo by Cameron Spencer/Getty Images)

Clothing is the fourth most common item people forget on planes.

#5. Glasses or Sunglasses

Glasses or sunglasses are the fifth common items people leave on planes.

#6. Headphones

Headphones are the sixth most common items people forget on planes.

#7. Passports

Passports are the seventh most common items people tend to leave on planes.

#8. Digital Cameras

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The eighth most common items that are forgotten on planes are digital cameras.

#9. iPads

(Photo by Cameron Spencer/Getty Images)

And the ninth most common item left on a plane? That would be the iPad.