Circumstances and their Effects on Happiness

CIRCUMSTANCES HAVING A SIGNIFICANT EFFECT ON HAPPINESS
Married (vs single and especially divorced)
Number of close friends
Employed (vs unemployed)
Religious (vs non-religious)
Lacking chronic pain (vs having chronic pain)
Living in a safe environment (vs living in a dangerous environment)
Living in a non-noisy neighborhood (vs living in a very noisy neighborhood)

CIRCUMSTANCES NOT SIGNIFICANTLY AFFECTING HAPPINESS
Gender
Age
Income level
Level of fame
State of residence

Decade (since 1950)