Luke 3:23 KJV

[23]And Jesus himself began to be about thirty years of age, being (as was supposed) the son of Joseph, which was the son of Heli,

We are all called for His purpose at different times in our lives, different ages, and different ways. He called us all in a unique way and we cant compare ourselves to others. It doesn't matter how old you are, whether He calls you at 2 years old or 102 years old. We need to say yes to Him, to His call. We have to get up and do what God has called us to do with a grateful heart. A humble person will go far. No matter how old you are, you are called to serve and have a wonderful life with Jesus.