How to make Google tell me how many people searched.

I hope u must be referring to google trends...there u can know the percentage of searches across countries for a particular word.
http://www.google.com/trends
Cheers

Hi friends,
There are so many tools to check it out this also>For Example if u want to search abt the particular keyword and if u put that keyword means it will tell how many has searched for that keyword in that particular month.........I hope u got the point...........