WOTC - Adequate pension

I asked this question in the Wisdom of the Crowd:

How much is an adequate pension for people above 75 years

Here are the responses: (97 Votes)

35 % - $1,500 a month
31 % - $1200 a month
22 % - $800 a month
11 % - $500 a month 
1 % - $300 a month

See the pie chart at: 
http://www.wisdomofthecrowd.sg/chart.aspx?ID=827