No. 211 · Strategy · Biology
Survival of the Fittest
Success goes not to the strongest, but to whoever best fits the conditions.
In the Almanac
“Herbert Spencer’s phrase”, 1864 · “Ryanair”, 1994–2000s
Both stories in full, three ways to use it and where it misleads.
Get the AlmanacQuestions
What is Survival of the Fittest?
Survival of the Fittest describes how organisms best suited to their environment are more likely to survive and reproduce. Fittest means best matched to current conditions, not strongest, and when conditions change, the winners change too.
How do you use Survival of the Fittest?
Use it by regularly checking whether your skills, finances and habits still fit your real circumstances, and adapting early. Remember that it describes nature, not how people ought to treat each other.
When does Survival of the Fittest matter?
Survival of the Fittest is one of the 56 mental models for strategy, the situations where you ask: How do I win when others want the same thing? Within that, it belongs to “Staying ahead of change”, alongside Creative Destruction, Cultural Evolution and Disruptive Innovations.
What is an example of Survival of the Fittest?
Two stories show it at work: Herbert Spencer’s phrase (1864) and Ryanair (1994–2000s). Both are told in full in The Mental Models Daily Almanac, which has two stories for each of its 365 models.
Which mental models are related to Survival of the Fittest?
Natural Selection, Niches and Resilience. Survival of the Fittest itself comes from biology.