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It is considered as the most common direct identifier but EI score may vary depending on the case, since the full name does not always in itself uniquely single out the individual. For example, when identification is performed using only the individual's full name:

• EI = 0,25 (Negligible) throughout a country's population where many people share that same full name
• EI = 0,5 (Limited) throughout a country's population where few people share that same full name.
• EI = 0,75 (Significant) throughout a small city's population where few or no people share that same full name.
• EI=1 (Maximum) throughout a country's population using also date of birth and email address.