projection
pruh-JEK-shun
/prəˈdʒɛkʃən/
An estimate or forecast of a future situation or trend based on present study and data analysis.
Implies a calculated estimate of future metrics based on explicit baseline assumptions.
The story behind the word. From Latin 'proiectio', meaning throwing forward. In mathematics and demography, it means throwing present numbers forward into the future.
Word relationships
- forecast: 'Forecast' is commonly used for weather and short-term trends; 'projection' is favored in statistical modeling.
- prediction: 'Prediction' can be based on intuition; 'projection' relies strictly on calculated models.
- retrospective: Looking backward at past events rather than projecting forward.
Commonly confused with
- protection: Projection is a future estimate; protection is defense against harm.
Word family
- project (verb): To estimate or forecast future trends based on present data.
- projected (adjective): Estimated for the future.
Collocations
- population projection
- demographic projection
- long-term projection
- baseline projection
Example sentences
- "The department released a population projection predicting rapid growth over the next decade." Urban planning
- "According to World Bank projections, sub-Saharan Africa will experience rapid urbanization through 2050." Demographic report
Memory hook
PRO (forward) + JECT (throw) = throwing calculations forward in time. Throwing numbers forward.
When not to use
Do not use to describe proven facts or historic events that already occurred.
Fun facts
- Demographic projections routinely run three scenarios: low, medium, and high growth variants.
Related words
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