Information overload refers to the state of having too much information to make a decision or remained informed about a topic. Large amounts of historical information to dig through, a high rate of new information being added, contradictions in available information, a low signal-to-noise ratio making it difficult to identify what information is relevant to the decision, or the lack of a method for comparing and processing different kinds of information can all contribute to this effect.

Related to academic disciplines, chaos, and improving channels for conveying data from one place to another (such as writing, printing, sound and image recording, storage and global networks of broadcasting and communication channels.