| VARIABLES | Mean | SD | Min | Max |
| happiness | 3.8545 | 0.850 | 1.00 | 5.00 |
| π | 1.8733 | 0.495 | 1.10 | 3.20 |
| πa | 1.5300 | 0.385 | 0.60 | 2.60 |
| πu | 0.3433 | 0.412 | −0.80 | 0.90 |
| unemployment | 3.2593 | 0.783 | 1.40 | 4.20 |
| growth | 6.8751 | 1.609 | −0.30 | 9.80 |
| inequality | 2.1334 | 0.547 | 0.46 | 3.44 |
| male | 0.4720 | 0.499 | 0.00 | 1.00 |
| age | 50.8096 | 16.755 | 18.00 | 103.00 |
| age2/100 | 0.2862 | 0.172 | 0.03 | 1.06 |
| edu | 9.1056 | 4.768 | 0.00 | 19.00 |
| commie | 0.1119 | 0.315 | 0.00 | 1.00 |
| income | 8.9071 | 35.004 | 0.00 | 1000.00 |
| urban_hukou | 0.3706 | 0.483 | 0.00 | 1.00 |
| health | 0.7950 | 0.404 | 0.00 | 1.00 |
| nation | 0.9247 | 0.264 | 0.00 | 1.00 |
| employment | 0.3840 | 0.486 | 0.00 | 1.00 |
| married | 0.7493 | 0.433 | 0.00 | 1.00 |
| divorced | 0.0295 | 0.169 | 0.00 | 1.00 |
| social_status1 | 1.9005 | 0.917 | 1.00 | 3.00 |
| social_status2 | 1.6276 | 0.866 | 1.00 | 3.00 |
| happiness* | 4.0251 | 0.746 | 2.00 | 5.00 |
| employment* | 1.5793 | 0.494 | 1.00 | 2.00 |
| income* | 3.3201 | 0.788 | 1.00 | 5.00 |