ThomasVogel/Getty, Tyler Le/BIMillennials in tech, your suspicions were right: Gen Z is starting to eat your lunch. Newly released federal data shows the US tech workforce is younger than the workforce at large and getting younger still. Tech workers under 25 are becoming more common, while the proportion of workers older than 40 shrinks.There's an age-old perception that tech workers should be young so they can move fast and break things.