Mysteries behind HK ID card numbers unlocked
As of the end of August this year, over 360,000 applications were received under various talent admission schemes, with nearly 230,000 applications approved. During the same period, over 150,000 people of talent arrived in Hong Kong through various talent admission schemes. That means more than 300,000 people have been issued with HK Identity Cards.
Do you know the meaning of the information on the HK Identity Card?
The HK ID card has undergone several revisions since the Immigration Department's records began.
HK ID Card Info Interpretation
The symbol mark is the letter or "*" below the date of birth. They are not random, each symbol and letter symbolizes a different meaning.
"*" indicates that the holder is eligible to apply for a Hong Kong Re-entry Permit. Depending on the age, there are two types of symbols: "***" and "*".
The two letters next to "***" refer to the holder's residential status in HK and place of birth respectively.
An irregular group of four digits is the code for Chinese names, which is designed to facilitate the input of names by governments or organizations. The Chinese Commercial Code is a four-digit number ranging from "0001" to "9999", with each group of digits representing a Chinese character. In Hong Kong, it is used in filling out many forms and documents.
Unlike the Mainland's 18-digit ID card number, the format of the HK ID card number is 1 letter of the alphabet + 6 digits + 1 digit or letter in brackets.
The letters at the beginning of an identity card number do not have any special meaning and are simply used in sequence. However, the Immigration Department has indicated that when the number of a particular letter is fully utilized, the Registration of Persons Office will issue an ID card beginning with another letter.
Then the six digits have no special meaning and are randomly generated by the system.
The last digit/letter in brackets is the verification code, which is based on a thorough calculation method as follows:
- First, digitize the letters of the alphabet before the number, i.e. A=1, B=2 ...... and so on;
- Multiply each digit (including the letters of the alphabet) by 8, 7, 6, 5, 4, 3, and 2 in that order;
- Add up the results and divide by 11 to find the remainder;
- Subtract the remainder from 11 to get the number in a bracket, if the number is exactly 10, replace it with A.
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