Workers at companies that tested out a 4-day workweek are happier and more efficient — and firms made more money. One lawmaker says it's 'here to stay.'

• New data from a four-day workweek pilot looks at how workers fared under the test for a year.
• Workers were happier and more efficient, and their firms ended up bringing in more in revenue.
• Rep. Mark Takano wants to make the shorter week law, and says it's here to stay.

The results are in: A four-day workweek pays off for workers and their workplaces, and one lawmaker says that means it's time for 32 hours on the clock to become law.

On Wednesday, 4 Day Week Global — a New Zealand-based nonprofit — released findings from its latest installment of its pilot program testing out a four-day work week in participating companies across a range of countries including the US, Australia, and the United Kingdom. It found that after a year testing out the shortened week, it remained a resounding success.