SWLS Life Satisfaction Score

Satisfaction with Life Scale (SWLS)

Diener, Emmons, Larsen & Griffin published the Satisfaction with Life Scale (SWLS) in 1985, and it remains the most cited instrument for measuring the cognitive side of subjective well-being. Rather than asking about specific areas of life or how someone feels at the moment, it asks how the person rates their life as a whole. There are just 5 statements, each answered on a 7-point Likert scale where 1 means strongly disagree and 7 means strongly agree.

You get the total by adding up the five items: total = item1 + item2 + item3 + item4 + item5, which lands somewhere between 5 and 35. The bands read as follows: 31–35 extremely satisfied, 26–30 satisfied, 21–25 slightly satisfied, 20 neutral, 15–19 slightly dissatisfied, 10–14 dissatisfied, and 5–9 extremely dissatisfied. When Gouveia et al. (2009) validated the scale in Brazil, they found a unifactorial structure and solid reliability (alpha ≈ 0.85).

Applications

It shows up across positive psychology, in large-scale studies on happiness and well-being, in the assessment of social policies, in public health and organizational research, and in the clinical follow-up of patients living with chronic conditions. Indicators built on the SWLS even feed into international reports like the World Happiness Report. Disclaimer: it does not replace a clinical evaluation.

FAQ

Does it measure momentary happiness? No. The SWLS captures a global, cognitive judgment about your life, which is far steadier than mood. If you want to track positive and negative affect in the moment, reach for the PANAS instead.

Why only 5 items? Diener showed that life satisfaction is a single-dimension construct, so a handful of questions already measures it with high reliability. Fewer questions also means less fatigue for the respondent.

Can it be repeated weekly? You can, but go easy. Satisfaction is a fairly stable trait, so running it again very often tends to surface little natural variation, and that can wear down the willingness to keep answering.