For $2023,$ what is the age requirement $($if any$)$ to contribute to a traditional IRA? $1.$ the taxpayer must be at least $18,$ but there is no maximum age, $2.$ the taxpayer must be at least $19$ if not a full$-$time student, or age $24$ if they are a full$-$time student, but there is no maximum age, $3.$ the taxpayer must be under age $72,$ but there is no minimum age, $4.$ there is no age requirement if the taxpayer meets the compensation requirements.