The Ivy Lee Method: A Century-Old System for Daily Prioritization

More than a century ago, a productivity consultant named Ivy Lee gave an executive a method so simple it sounds trivial. The story goes that when asked his fee, Lee told the executive to try the method and pay whatever he thought it was worth — and received an enormous check. Whether or not the details are exact, the method endures because it works, and it works precisely because of its ruthless simplicity.

The Method

The Ivy Lee Method consists of five steps, done daily:

1. At the end of each workday, write down the six most important things you need to accomplish tomorrow. No more than six.
2. Prioritize those six items in order of true importance.
3. The next day, start with the first task and work on it exclusively until it is finished before moving to the second.
4. Work down the list in order, completing each task before starting the next.
5. At the end of the day, move any unfinished items to a new list of six for the following day, and repeat.

That is the entire method. Its power lies not in complexity but in the constraints and disciplines it enforces.

Why It Works

Beneath its simplicity, the Ivy Lee Method embodies several principles that behavioral and productivity research strongly supports.

It forces prioritization through a hard limit. Restricting the list to six items is the crucial constraint. A limit forces you to decide what truly matters rather than maintaining an endless to-do list where everything competes and nothing gets clear priority. The discipline of choosing only six — and ordering them — is where most of the value lies. It confronts you with the reality that you cannot do everything and makes you choose.

It enforces single-tasking. Working on one task to completion before moving to the next eliminates the costly task-switching that fragments most workdays. Instead of juggling many things and finishing none, you concentrate fully on one, which is both more efficient and more effective. The method builds single-tasking into its structure.

It front-loads the most important work. By ordering tasks by importance and starting with the first, you ensure your best energy goes to your highest-priority work. This is the "eat the frog" principle embedded in the sequence: the most important task gets done first, before the day's demands erode your capacity.

It removes the morning decision. Because the list is made the night before, you begin each day already knowing exactly what to do first. This eliminates the morning deliberation — and the temptation to check email or drift — that so often consumes the most valuable hours. You wake up with a plan, not a decision to make.

It provides closure and continuity. Writing the list at the end of the day acts as a shutdown ritual, closing the day's open loops and setting up the next. Carrying unfinished items forward ensures nothing is lost while keeping the list short and focused.

The Discipline of Six

The choice of six is deliberate and worth respecting. It is enough to constitute a full, productive day but few enough to force genuine prioritization. If you allow the list to grow to ten or fifteen, it becomes an ordinary overwhelming to-do list and the method loses its power. The constraint is the point. If six feels too many for genuinely important work, use fewer — but do not exceed it. The limit is what turns a list into a set of priorities.

Common Objections and Responses

"My work is too reactive for a fixed list." Even in reactive roles, identifying the few most important proactive tasks ensures they get done amid the reactive demands. The list protects your priorities from being entirely consumed by others' urgencies.

"Six is too rigid." The method is a framework, not a straitjacket. The essential elements are the hard limit, the prioritization, the single-tasking, and the night-before planning. Adapt the number to your reality while preserving these principles.

"What about small tasks?" The six items are your most important tasks, not every small thing. Minor tasks can be batched separately; the method is about ensuring the vital few get done, not cataloging everything.

Why Simplicity Is the Strength

Many productivity systems fail because their complexity makes them hard to sustain — elaborate systems collapse under their own maintenance burden. The Ivy Lee Method endures precisely because it is simple enough to actually do every day, for years, without friction. A simple system consistently used beats an elaborate system abandoned. Its century of survival is testament to the power of a method simple enough to become a durable habit.

Conclusion

The Ivy Lee Method has lasted more than a hundred years because it distills the essentials of productive work into five simple steps: choose your six most important tasks the night before, order them by importance, and work through them one at a time to completion. Its power comes from the hard limit that forces prioritization, the single-tasking it enforces, and the night-before planning that removes the morning decision. In an age of complex productivity tools, this century-old method remains one of the most effective — and its greatest strength is that it is simple enough to actually keep doing.

Further Reading

• James Clear, Atomic Habits (2018)