Characteristics of the respondents
| Total | Japan | South Korea | Taiwan | |
| Median age (SD) | 40 (16.8) | 46 (18.4) | 41 (16.2) | 37 (14.8) |
| 18–39 years | 724 (48) | 214 (43) | 240 (48) | 270 (54) |
| 40–59 years | 497 (33) | 144 (29) | 168 (34) | 185 (37) |
| 60–75 years | 279 (19) | 142 (28) | 92 (18) | 45 (9) |
| Tertiary education | 1003 (67) | 284 (57) | 330 (66) | 389 (78) |
| Full time/part time/self-employed | 880 (59) | 252 (50) | 278 (56) | 350 (70) |
| Married | 718 (48) | 236 (47) | 262 (52) | 220 (44) |
| Have a child/children | 714 (48) | 234 (47) | 259 (52) | 221 (44) |
Notes: n (%).