With reference to Figure 2, assess whether an increase in household income improves subjective life satisfaction within Vietnam.
Answer to the question: 'Overall, how satisfied are you with your life nowadays?' (On a scale of 0 to 10, where 0 is 'not at all satisfied' and 10 is 'completely satisfied')
| Bottom Quintile (Lowest 20%) | Second Quintile | Third Quintile | Top Quintile (Highest 20%) |
|---|---|---|---|
| 6.92 | 6.58 | 6.75 | 7.10 |
