The report, which was published today, presents the population estimates at the state and administrative district levels for 2023 and 2024.

Chief statistician Uzir Mahidin said the districts are Beluru, Telang Usan and Mukah in Sarawak; Kuala Langat, Sepang and Kuala Selangor in Selangor; Muallim in Perak; Tenom in Sabah; Seberang Perai Tengah in Penang; Tumpat in Kelantan, and Segamat in Johor.

According to the National Policy for Older Persons, a population is classified as ageing when those aged 60 and above comprise 15% of the population.

Uzir also said the highest number of Malaysians aged up to 14 years as of 2023 was recorded in three districts, all in Kelantan. They are Kecil Lojing (33.8%), Gua Musang (33.4%) and Tumpat (32.3%).

He said the highest percentage of working-age people (15-64 years) were recorded in Sebauh, Sarawak at 79.5%, Kinabatangan, Sabah (78.4%), and Belaga, Sarawak (78.3%).

According to Uzir, Petaling in Selangor was the most populous district in 2024 with 2.4 million people, followed by Johor Bahru, Johor (1.8 million), and Ulu Langat, Selangor (1.5 million).

Three districts in Sarawak were the least populated. They are Tanjung Manis with 7,900 people, Song (10,300) and Bukit Mabong (10,600).

He added that the Kinabatangan and Kalabakan districts in Sabah recorded the highest population growth rate at 9.6%, followed by Cameron Highlands, Pahang at 8.4%.