There have indeed never been more millionaires, because the bar keeps getting lower and lower. A million today inflation adjusted backwards was $143k in 1970.
Some less creature-comfort things unfortunately have outpaced wages in the US: housing, education, and health care coming in at #1.
Granted, we have medicines and technologies we did not before.
Housing costs are high in some areas, but still incredibly low in others. The internet has enabled knowledge workers to work remotely so they can live in low cost areas.