By the mid-1970s the population aged as many younger people moved further west to Mississauga and other new suburbs where large houses were being built.
In 1920, the proportion of the population aged over 19 was 0.592, and in 1930, it was 0,612.
The population aged over eighteen was 44,854.
The percentage of the population aged over 65 in Christchurch is 30.4%, almost double the national average of 16.5%.
Breaking the statistics down by age, 70-80% of the population aged over 60 speak Walloon, while only about 10% of those under 30 do so.
The proportion of our population aged over 65 has swollen from one in twenty to one in five.
It is interesting to note that both Italy and Japan have a very high percentage of their population aged over 65.
If net migration rate is 170,000 per year, the proportion of the population aged over 65 would reduce by 3.1 per cent.
Only 27.7% of the male population aged over 21 was eligible to vote.
In the year 2000, 4% of the resident population aged above 15 years, were Hindu.