| Country | Baseline, No. | Midterm, No. (% of Eligible Subsample Interviewed) | Samples for Longitudinal Analysis |
| India (Uttar Pradesh) | 17,643 | 5,790 (85.8%) | 4,029 women interviewed at both baseline and midterm and who, at baseline, were in union, had not been sterilized, and had not had a hysterectomy |
| Kenya | 8,932 | 3,207 (56.1%) | 3,205 women interviewed at both baseline and midterm, regardless of their marital status at either time period, with non-missing data |
| Nigeria | 16,144 | 4,331 (64.6%) | 4,303 women interviewed at both baseline and midterm, regardless of their marital status at either time period, with non-missing data |
| Senegal | 9,614 | 2,744 (80.7%) | 1,538 women interviewed at both baseline and midterm and who were in union at baseline |
Source: Measurement, Learning & Evaluation project baseline18–21 and midterm22–25 surveys of the Urban RH Initiative country programs.