Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. Quick Summary Earnings tend to rise through your 20s and 30s, peak in your early 40s, and decline as you approach retirement, making it important to understand how your income compares to others in your age group. Workers who want help translating income benchmarks into a long-term financial plan can use SmartAsset's free matching tool to connect with up to three financial advisors and compare options be ...