Use the slider to watch as people exaggerate more as they get older. As you can see, people advertise disproportionately high salaries for themselves. Just to pick a symbolic amount, there are consistently 4× the number of people making $100K a year than there should be.
Note that in formulating the "expected" lines for each age we were very careful to adjust for OkCupid's particular demographics: we compared every individual against the average not just by age but by zip code. Here a breakdown by gender of the exaggeration rates: