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Your Guide to China>> Information behind a valid Resident ID number of the People's Republic of China

Check the validity of a Resident ID number and map it with the registered residence and birth date of its holder:

Match a Resident ID number with the registered residence and birth date of its holder:

A sample of latest Chinese citizen ID card

Every citizen of 16 years old or above in the People's Republic of China shall have a Resident Identity Card , in accordance with the Identity Card Bill of the People's Republic of China passed On September 6, 1985 by the Standing Committee of the 12th National People's Congress.

Residents within the People's Republic of China must carry identification in public at all times, compulsory from the age of 16. The identity card is the only acceptable legal document to obtain resident permit, employment, open bank accounts, obtain passport, driver licence, application for tertiary education and technical colleges, security checkpoints in domestic terminals of Chinese airports and check-in at hotels. Documentation is also required for marriages, household registrations and legal cases.

Recently, there have been more services that require the display of identification cards, such as at Internet cafes and certain stores.

Before 2003, Chinese use a poly-covered, white-and-black photo Identity Card, which is now referred to as the first generation ID card. From 2003 on , The law established the use of newer, second-generation cards, which are machine-readable and more difficult to forge.


The identity card contains basic information regarding the individual, such as the following:

Full name – in Chinese characters only. Non-Chinese ethnic names and foreign names are transliterated into Chinese.

Gender – containing one character for either male (男) or female (女).

Ethnicity – as officially listed by the People's Republic of China.

Date of birth – listed in the Gregorian calendar format, in YYYY年MM月DD日 Big-endian (ISO 8601) order.

Domicile – the individual's permanent residence as dictated by the Identity Card Bill of the People's Republic of China.

Identification number

Photo of the individual

Reverse side

Issuing authority (first-generation cards utilised a stamp; second-generation cards display text only)

Second-generation Identity Card
First-generation Identity Card

The limits to validity of the document (for individuals under 16 years of age: five years; for individuals between 16 and 25 years of age: ten years; for individuals between 26 and 45 years of age: twenty years; for individuals over 46 years of age: long-term)

Information stored in the identity database for biometric ID cards documents information such as work history, educational background, religion, ethnicity, police record, medical insurance status, landlord's phone number and personal reproductive history.

The dimensions of the second-generation cards are 85.725 mm×53.975 mm×0.900 mm, and the identity photo is sized at 358x441 pixels (width by height), printed at a resolution of 350dpi on RGB using 24-bit True Color, prepared using JPEG compression techniques in line with the requirements of ISO DIS 10918-1. The final image appears as a 26 mm × 32 mm portrait box in the top-right hand corner.

Identity card number

From October 1, 1999, the PRC State Council approved the establishment of a citizen identification number system, and currently consists of an 18-digit code.

1 1 0 1 0 2 Y Y Y Y M M D D 8 8 8 X

Address code Date of Birth code Order code Checksum

Address code refers to the resident's location, where administrative divisions (including cities, banners, and districts) have their own specific codes. (For example, the code for Xicheng District in Beijing is 110102.)

Date of Birth in the form YYYY-MM-DD.

Order code is the code used to disambiguate people with the same date of birth and address code. Men are assigned to odd numbers, women assigned to even numbers.

The Checksum is the final digit, which confirms the validity of the ID number from the first 17 digits, utilizing ISO 7064:1983, MOD 11-2. The checksum is obtained by a complex equation.

List of Administrative Code by Provinces>
ProvinceAdm. CodeProvinceAdm. CodeProvinceAdm. Code
Anhui340000 Beijing110000 Fujian350000
Gansu620000 Guangdong440000 Guangxi450000
Guizhou520000 Hainan460000 Hebei130000
Henan410000 Heilongjiang230000 Hubei420000
Hunan430000 Jilin220000 Jiangsu320000
Jiangxi360000 Liaoning210000 Inner Mongolia150000
Ningxia640000 Qinghai630000 Shandong370000
Shanxi140000 Shaanxi610000 Shanghai310000
Sichuan510000 Tianjin120000 Tibet540000
Xinjiang650000 Yunnan530000 Zhejiang330000


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