Johor Bahru is the second most populated district with 1.8 million people, followed by Ulu Langat in Selangor with a population of 1.5 million, Bernama reported.

Petaling also recorded the highest density with 4,783 persons per square kilometre, followed by Timur Laut, Penang (4,710) and Seberang Perai Tengah, Penang (1,845).

Meanwhile, three districts in Sarawak have the least number of residents. Tanjung Manis has a population of 7,900, Song has 10,000, and Bukit Mabong has 10,400.

The statistics department also categorised eight districts as ageing districts, with over 7% of its population aged 65 and above.

They are Johor Bahru, Johor; Kota Bharu and Kuala Krai in Kelantan; Seberang Perai Utara and Barat Daya (Penang); Kota Kinabalu (Sabah); Miri (Sarawak); and Ulu Selangor (Selangor).

Meanwhile, three districts in Sarawak have the most number of elderly residents, with 14.4% of those in Lubok Anti aged 65 years and above, followed by Sri Aman (12.8%) and Song (11.9%).

Terengganu has the highest composition of Bumiputeras in 2023 with 99.7% followed by Nabawan, Sabah (99.6%) and Hulu Terengganu, Terengganu (99.4%).

Meanwhile, the highest composition of Chinese is in Timur Laut, Penang, with 63.9%, followed by Kampar, Perak (48.3%) and Sibu, Sarawak (48.2%).

The highest composition of Indians is in Bagan Datuk, Perak, followed by Klang in Selangor, and Port Dickson, Negeri Sembilan, with a composition of 23.2%, 18.8% and 18.4% respectively.