Challenge Email Format

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The most common Challenge email format is [first]_[last] (ex. jane_doe@psd.gov.sg), which is being used by 78.0% of Challenge work email addresses.

Other common Challenge email patterns are [last][first_initial] (ex. doej@psd.gov.sg) and [first][last_initial] (ex. janed@psd.gov.sg). In all, Challenge uses 7 work email formats.

Challenge Email Formats and Examples

Email Format	Example	Percentage
[first]_[last]	jane_doe@psd.gov.sg	78.0%
[last][first_initial]	doej@psd.gov.sg	6.1%
[first][last_initial]	janed@psd.gov.sg	5.8%
[first][last]	janedoe@psd.gov.sg	5.2%
[last]	doe@psd.gov.sg	3.5%
[first]	jane@psd.gov.sg	0.8%
[first_initial][last]	jdoe@psd.gov.sg	0.6%

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