Meaning
The average number of years a person is expected to live, based on statistical data.
Primary Function
Noun-noun collocation (medical/demographic)
Communicative Purpose
To discuss health outcomes and population-level trends
Pattern
life expectancy
Core Structure
life expectancy
Função primária
Noun-noun collocation (medical/demographic)
Propósito comunicativo
To discuss health outcomes and population-level trends
Situações de gatilho
public health reports, demographic studies, policy debates
Contextos
academic research, professional publications, news articles about mortality trends
Padrão
life expectancy
Estrutura central
life expectancy
Slots de substituição
lifespan, life expectancy at birth
Colocados típicos
- average
- increase
- decrease
- rising
- low
Substituições comuns
- lifespan
- longevity
Erros comuns
*expectation of life (less common); *life expectation (sometimes used but less standard)
Similar / contraste
life span, mortality rate
Interferências
Don’t confuse with ‘life expectation’.
Família do chunk
- life span
- longevity
- mortality rate
Nuance
Statistical term; precise measurement reflecting demographic data.
Efeito pragmático
Factual, evidence‑based statement about population health trends.
Dica de memória
The country’s life expectancy is 80 years.
Nota
This chunk is often used in discussions about public health and demographic trends.
Upgrade path
how long people live → average lifespan → life expectancy at birth
Log in to save chunks.