It varies from country to country.
1950
1870 in the 15th amendment
Universal suffrage for men over 21 came in 1918. This was extended to all women in 1928. The age of majority was reduced to 18 in 1969.
1825
In what year was Adult suffrage introduced to Guyana
This is the year when the woman's suffrage began.
It depends on your standard. New Zealand elected it's own Parliament first in 1853. Universal male suffrage was 1879, universal over-21 suffrage was 1893. Votes were weighted in favour of rural areas (i.e. rural voters votes counted for more then urban voters) until 1945. 18-year olds could vote in 1975. Maori can choose to vote on a separate Maori-only roll, and these votes weren't counted equally with general votes until 1996.
Women's Suffrage started in 1884.
Full Suffrage; with year voted.
1920D
It was adopted in 1971.
1911.