Disclosed is an organic light emitting display device which is capable of maximizing a luminance improvement by an appropriate arrangement of a white pixel in a pixel, wherein the organic light emitting display device comprises a plurality of pixels, wherein each pixel includes a first subpixel for emitting first-color light, a second subpixel for emitting second-color light, a third subpixel for emitting third-color light, and a fourth subpixel for emitting fourth-color light, wherein the fourth subpixel for each pixel is disposed between the first and second subpixels, and between the first and third subpixels.