The provisional registers of electors and omissions lists were released today for public inspection until June 25.
There are about 3.77 million registered electors for geographical constituencies, up by 75,000 electors compared to last year.
About 3.47 million electors are registered in the District Council (second) functional constituency, while other functional constituencies have 239,000 registered electors.
Registered electors can log in to the Online Voter Information Enquiry System or call 2891 1001 to ask about their registration particulars.
The Registration & Electoral Office will publish the final registers of electors on or before July 25.