The Northern Ireland Statistics and Research Agency estimated the total population of Northern Ireland as of June 30, 2014 at 1,840,500 people. This represented a 0.6 percent increase from the previous year. Approximately 21 percent of people were under 15 years of age, 63 percent were between 16 and 64, and 16 percent were older than 64. The population was 49 percent male and 51 percent female.
The Northern Irish population has been aging over the past 22 years due to below replacement level fertility rates and increasing life expectancies. Ireland has 10 percent fewer children under 15 years of age and 50 percent more people aged 65 and older than 30 years ago. The life expectancy in Northern Ireland is 82 years for women and 78 years for men. The leading causes of death in Northern Ireland are cancer and circulatory disease, primarily heart disease and stroke.
The marriage rate in Northern Ireland reflects that for every 1,000 people above age 16, 11.2 people were married in 2014. The average age at first marriage was 32 years for the bride and 34 years for the groom; 2014 was the first year the average bride’s age exceeded 30.
According to NISRA’s 2011 census statistics, 97 percent of Northern Irish people 3 and over cite English as a main language, while 10.65 percent reported having some ability in Gaelic and 8.08 percent reported having some ability in Ulster Scots. As for religion, about 40 percent identified themselves as belonging to the Catholic church, 19 percent as belonging to the Presbyterian Church in Ireland, and 13 percent as belonging to the Church of England.