Opportunity Insights, Harvard University

This table reports the probability that a child earns more than their parents at age 30 by parent income percentile for each child birth cohort in the range 1940-1984. All estimates are conditional on positive parent income. The table also reports the fraction of parents with zero income for each child birth cohort and the probability that a child in a given birth cohort earns more than their parents.   Codebook cohort - Child birth cohort base_absmob_pos_par[percentile] - Probability that a child at a given parent income percentile earns more than their parents par_frac0 - Fraction of parents with zero income cohort_mean - Mean probability for a child from a given birth cohort to earn more than their parents https://opportunityinsights.org/data/

Index Period: January 4th - January 31st Indexing Type: Seasonally adjusted change since January 2020. Data is indexed in 2019 and 2020 as the change relative to the January index period. We then seasonally adjust by dividing year-over-year, which represents the difference between the change since January observed in 1 2020 compared to the change since January observed since 2019. We account for differences in the dates of federal holidays between 2019 and 2020 by shifting the 2019 reference data to align the holidays before performing the year-over-year division.