Table 1. Percentage of Countries (Latest Surveys) and of All Surveys With Method Mix Skew According to the Cutoff Levela
No. (%)
Cutoff LevelCountries (Latest Surveys)All Surveys
30%115 (94.3)609 (91.4)
40%68 (55.7)393 (59.0)
50%35 (27.9)225 (33.8)
60%22 (18.0)137 (20.6)
70%10 (8.2)62 (9.3)

  • ↵a The “50% rule” is the most commonly used cutoff level, indicating that a single contraceptive method accounts for more than half of all contraceptive use in a given country. Changing the cutoff level changes the severity of the rule.