There is quite a lot of information in relation to Vital Registration in NI. The main organisation that collects the information is the General Registrar Office which then sends the information to the NI Statistics and Research Agency for collation and Analysis.
The attachments at the bottom of this page give some of the most up to date information in 2011 which can be used to get an idea about what has been happening within the population.
You will have hard copies of this and can use these to help you answer the report about the state of the NI population
You can find the most up to date information about the vital statistics in NI by going here