The figure included 1,781 applicants registered during the mass registration and 1,356 enrolled when the Kadjebi Office commence work from November 2021 to May 2022.
He said the Ghana Card was essential for every Ghanaian as it bore all personal information about the individual whose identity could be always verified.
He said the card identified and affirmed the holder as a Ghanaian giving them access to a world of benefits.
The DRO explained that the personal identification number and biometric data secured one from identity theft and impersonation.
Mr Fiawotoafor said the personal information in the National Identity Register would facilitate recognition and verification of identity by state agencies and private sector institutions.
He named incessant network failure, lack of office space and lack of accommodation for staff as some of the challenges confronting them.
The DRO also lamented about the inability of those enrolled during the mass registration exercise not to come for their cards and appealed for help in form of public announcements for them to come for their cards.
Mr Fiawotoafor also called on everyone to help them render their service effectively.