The data file contains the individual information needed to estimate Ne and carry out the sensitivity analyses. There is one row per year an individual was recorded as adult in the indicated population. The variables included are: Population (see information in Table 1); ID (unique individual identity number); Sex (1=male, 2=female); Year (the year for which the data on the row relates to); OwnSurvival (0=the individual did not survive to the next year, 1=the individual survived to the next year); NRecruits (the number of recruits produced by the individual in the given year). See the paper for further details on the data