The typical order of file types from smallest to largest file size is: Text, Image, Audio, Video.

Text files, like .txt documents, usually have the smallest file size. They store characters using relatively little data per character. A plain text document contains very little formatting or extra information, making it extremely compact.

Images, such as .jpg or .png pictures, are larger than text files. Image file size depends on factors like resolution (the number of pixels), color depth, and compression. Higher resolution and less compression usually mean larger file sizes.

Audio files, like .mp3 music files, are generally larger than image files. Audio file size depends on factors such as the length of the recording, the bitrate (quality), and the number of channels (stereo vs. mono). Higher bitrates usually result in better sound quality but larger file sizes.

Video files, like .mp4 videos, typically have the largest file size among these file types. Video file size is affected by resolution, frame rate, video length, and video and audio compression methods (codecs). Higher resolution, longer duration, and better quality all contribute to significantly larger file sizes. A 4K video requires much more storage space than a standard definition video, for example.

Different file types require varying amounts of storage space because they store different types of information and use different methods of encoding and compression. Text is simplest, while video captures motion and sound, requiring significantly more data.