The Breaking Bad Index is a fan-created metric that measures the moral decline of Walter White, the main protagonist of Breaking Bad, throughout the series. The index is a numerical representation of Walter's descent into darkness, with 0 representing his initial moral state and 10 representing his complete transformation into the ruthless and calculating Heisenberg.

The most literal "index" associated with the show refers to the physical index cards used by creator Vince Gilligan and his writing team to structure the series. The Card System

: This indexing method ensured a "rock solid structure" before any dialogue was written. It allowed writers to visualize the entire episode's pacing and ensure no plot holes remained. Dynamic Planning

While nearly universally acclaimed, some user reviews mention that the first few episodes can feel slow as the world-building begins. However, the consensus remains that it is a "masterpiece of television" that effectively explores themes of ego, power, and consequence. Breaking Bad (TV Series 2008–2013) - IMDb

: Studies often index resident competence, finding that while many feel confident in sharing knowledge, they struggle with the emotional "empathy" index of the conversation. 3. Financial and Statistical Analogies