The results are summarized below, ordered by decreasing annual income.
2008 Avg Estimated Income (in thousands of USD) by region
for employer = company, self, university; square size corresponds to the number of respondents; number next to it the average estimated income
We can further break the data by Region, Employer, and Income range.
Square size corresponds to the number of respondents.
2007 KDnuggets Data Miner Income and Region Poll.
The results are hard to compare directly, since in 2007 we did not ask for employer, but we note a significant decline in number of respondents from the US (perhaps they were distracted by US primary campaign?)
KDnuggets 2008 Data Miner Salary Survey