Money-rich, time-poor is an expression which arose in Britain at the end of the 20th century to describe groups of people who, whilst having a high disposable income through well-paid employment, have relatively little leisure time as a result.

The phrase is still in use. Time poverty has also been coined as a noun for the phenomenon

Phenomenon

A phenomenon , plural phenomena, is any observable occurrence. Phenomena are often, but not always, understood as 'appearances' or 'experiences'...

.

Many people accept time poverty as a necessary condition of employment; others have sought to solve the problem through downshifting

Downshifting

Downshifting is a social behavior or trend in which individuals live simpler lives to escape from the rat race of obsessive materialism and to reduce the “stress, overtime, and psychological expense that may accompany it.” It emphasizes finding an improved balance between leisure and work and...

 or through adoption of flexible working arrangements.

"Time poverty" is not restricted to the wealthy, but can occur at all levels of society.

In popular culture

• The fantasy novel Momo by german author Michael Ende
  Michael Ende
  Michael Andreas Helmuth Ende was a German author of fantasy and children's literature. He is best known for his epic fantasy work The Neverending Story; other famous works include Momo and Jim Button and Luke the Engine Driver...
  
  dealt with this issue, in regards of time and its use in the modern society.