The phenomenon of demographic ageing has increased last year, as the elderly population aged 65 and over exceeded by more than 27.5% the young population aged 0-14 years, according to data from the National Institute of Statistics (INS), published Friday.The demographic ageing index increased from 122 on 1 January 2023 to 127.5 elderly people per 100 young people on 1 January 2024.The number of people in the 65 and over age category was around 3.97 million while the young population, in the 0-14 age category, totalled 3.11 million."The process of demographic ageing continued in 2023, with a slight decrease (by 0.3 percentage points) in the share of young people (0-14 years) and at the same time an increase (by 0.4 percentage points) in the share of the elderly population (65 years and over) in the total population," the INS release said.On 1 January 2024, the largest share in the total population was held by the 45-49 age group (8.6%). The same age group had the largest share among both women (8.3%) and men (9%).The share of the 0-4 age group was 4.4%, lower than that of the 5-9 (4.9%), 10-14 (5%) and 15-19 (5.2%) age groups.By residence, population in urban areas stood at almost 12.19 million people, down 1% from 1 January 2023, and in rural areas it was about 9.65 million people, slightly up 0.2% from 1 January 2023.The female population on 1 January 2024 was 11.18 million, down 0.4% from the same date the previous year. The same trend is recorded for the male population, which was 10.65 million people, down 0.5% from the same date of the previous year.The average age of the population was 42.5 years, 0.3 years older than on 1 January 2023. The median age was 43.2 years, up 0.4 years from 1 January 2023.