Table 1.

Demographic characteristics of survey respondents in studies 1–6

Sample	US Mechanical Turk	US representative	Denmark adults	Canadian adults	Netherlands representative	Netherlands millionaires	US Qualtrics
n	366	1,260	467	326	1,232	818	1,802
Median (range), SWL	6.00 (0–10)	7.00 (0–10)	8.00 (2–10)	7.50 (1.5–10)	8.00 (1–10)	8.00 (1–10)	7.00 (0–10)
% Buying time (1 = yes)	15.8	22.0	23.0	26.6	21.2	60.3	50.0*
Median amount spent/mo, USD†	61–80	201–300	114.6	75–150	149.30	213.29	80–99
% Female	—	47	39	—	48	16	60
Median age, y	30	43	51–60	36	51	68	35–44
Median, household income or wealth, USD	30–35K	75–85K	57K	56–74K	11K (mean = 160K)	879K (mean = 2.4M)	60–75K
Median (range) no. children living at home	1 (1–6)	1 (0–6+)	—	0 (0–3)	0 (0–3)	0 (0–11)	1 (1–4+)
Median (range) no. hours worked at main job each week	40 (0–100)	40 (1–90)	—	40 (0–100)	37 (0–40+)	—	40 (0–120)
% Married or partnership	51	66	62	55	53	76	68

All money reported in USD. We used a currency converter tool (OANDA) to estimate the amount in USD based on March 2017 exchange rates. Thus, the USD values for the Denmark and The Netherlands samples are estimates that are subject to historical fluctuations.

^*This study used a broader definition.

^†This represents median money spent for respondents who buy time.