The age of Year 6 students varies depending on the country and education system. In England, Year 6 is the final year of Key Stage 2 and is for children aged 10-11 years old. In Northern Ireland and Scotland, the sixth year of compulsory education is called Primary 6, and pupils generally start at the age of 9 or 10. In Australia, Year 6 is usually the seventh year of compulsory education, and most children are aged between eleven and twelve. In New Zealand, Year 6 is the sixth year of compulsory education, and children entering this year group are generally aged between 9.5 and 11. In the United States, Grade 6 is for children aged 11-12. It is important to note that these age ranges may vary slightly depending on the specific school or education system.