A trends statistics from google for search volume of data mining is as follows:
http://www.google.com/trends?q=Data+mining&ctab=0&geo=all&date=all

Topics of Interest:
A: Business Intelligence and Data Mining
B: Data mining tells government and business a lot about you
C: Data mining is commonly used in business to find patterns
D: `Data mining’ may implicate innocent people in search for terrorists
E: ‘Data mining’ for drug companies goes to courts
F: IMS Health stock falls, as data mining ban pitched
| Ranking according to countries (South Asia) of interest in datamining : |
| Country |
Ranking |
| India |
1 |
| Pakistan |
2 |
| Taiwan |
3 |
| Hong Kong |
4 |
| Iran |
5 |
| Indonesia |
6 |
| Singapore |
7 |
| South Korea |
8 |
| Malaysia |
9 |
| Thailand |
10 |
|

A survey in 2010, for the data mining tools used revealed the interest of consumers in different data mining tools as follows:
This poll was conducted by KDnuggets ::http://www.kdnuggets.com/polls/2010/data-mining-analytics-tools.html and about 900 unique Data miners voted in the poll , but each were allowed multiple votes.
| RapidMiner (345) |
37.8% |
| R (272) |
29.8% |
| Excel (222) |
24.3% |
| KNIME (175) |
19.2% |
| Your own code (168) |
18.4% |
| Pentaho/Weka (131) |
14.3% |
| SAS (110) |
12.0% |
| MATLAB (84) |
9.2% |
| IBM SPSS Statistics (72) |
7.9% |
| Other free tools (67) |
7.3% |
| IBM SPSS Modeler (former Clementine) (67) |
7.3% |
| Microsoft SQL Server (63) |
6.9% |
| Statsoft Statistica (57) |
6.2% |
| Other commercial tools (56) |
6.1% |
| SAS Enterprise Miner (50) |
5.5% |
| Zementis (34) |
3.7% |
| Orange (25) |
2.7% |
| Oracle DM (19) |
2.1% |
| KXEN (19) |
2.1% |
| Salford CART Mars other (15) |
1.6% |
| VisuaLinks (12) |
1.3% |
| Viscovery (10) |
1.1% |
| Angoss (8) |
0.9% |
| TIBCO Insightful Miner (7) |
0.8% |
| Miner3D (7) |
0.8% |
| REvolution Computing (4) |
0.4% |
| Megaputer Polyanalyst/TextAnalyst (3) |
0.3% |
| Portrait Software (2) |
0.2% |
| Data Applied (2) |
0.2% |
| Centrifuge (2) |
0.2% |
| PRSD Studio (1) |
0.1% |
| Clario Analytics (1) |
0.1% |
| Bayesia (1) |
0.1% |
Open Source Data mining tools:
Well, even open source data mining is on the rise. Weka , Orange , Rattle and Rapid miner are few open source software to name. The recent trends in use of data mining software also supports Open Source in a big way, the following is an analysis by KDnuggets which indicates the choice of type of software by users of various countries.

Manu C, Student Content Intern.