Even though they are still thought of as a young generation, the oldest Millennials (those born in 1981 through 1997) turned 40 in 2021. This is a big deal because ___________. they won't be working long enough to contribute to Social Security's long-term stability 40 is the age the federal Age Discrimination in Employment Act (ADEA) starts to protect workers from age bias on the job their health will begin to decline rapidly it's not important -- this is a trick