The election for the seventh-term Legislative Council (LegCo) of the Hong Kong Special Administrative Region (HKSAR) kicked off Sunday morning, the first since the improvement to the HKSAR electoral system.

More than 600 polling stations opened at 8:30 a.m. local time across Hong Kong for about 4.5 million registered electors to cast their votes.

The membership of the seventh term of the HKSAR LegCo will increase from 70 to 90, and the members are to be elected by the Election Committee constituency (40 seats), functional constituencies (30 seats), and geographical constituencies (20 seats), respectively.

HKSAR Chief Executive Carrie Lam casts her ballot in Hong Kong, south China, Dec. 19, 2021. (Xinhua/Lui Siu Wai)

In the Election Committee constituency, 51 candidates are competing for 40 seats; in the functional constituencies, 67 candidates are competing for 30 seats; in the geographical constituencies, 35 candidates are competing for 20 seats.

Due to border control measures over COVID-19, polling stations were also set up at checkpoints at Heung Yuen Wai, Lo Wu, and Lok Ma Chau Spur Line. Hong Kong voters in the Chinese mainland can briefly cross into Hong Kong to cast their ballots.

Various public transport operators including the Mass Transit Railway Corporation Limited, franchised bus operators, and Hong Kong Tramways provide free rides for the public on the polling day.

People wait to cast ballots at a polling station in Hong Kong, south China, Dec. 19, 2021. (Xinhua/Lo Ping Fai)

Voting will end at 10:30 p.m. local time Sunday.

The LegCo is the legislature of the HKSAR. The Chief Executive in Council, in accordance with the Legislative Council Ordinance, has specified Jan. 1, 2022 as the commencement date of the seventh-term LegCo of the HKSAR.

The term of office of the LegCo is four years.