When President Barack Obama was sworn into office in 2008, he was 47 years old. Two presidential terms later, 53-year-old Obama has aged exponentially, as if decades have passed instead of eight years.
This time-lapse video marks the president's incredible transformation from a dark-haired man with smooth skin to his current appearance -- hair marbled with white and worry lines creasing his forehead.
Check out Obama's aging process in the clip above.
