How come de results from the old Google Keyword Tool are so different from the results from the keyword planner?

[Murielleu]

When I insert the keyword 'IT jobs' with Belgium as country and Dutch as the language, there is a huge difference between the results in the keyword planner and the keyword tool.

Keyword tool says 1,000,000 local searches per month

Keyword planner says 590 local searches per month

This is a really big difference and I don't know which results I should trust.

Can anybody help me with this?

[evolvingSEO]

Hey There - this has been throwing a lot of us off. There was a great thread a week or two ago here: http://moz.com/community/q/accuracy-of-search-volume-for-keyword-planner-v-old-keyword-tool

Michael and Kevin pretty much summed it up too

[marymerritt]

Yes, unfortunately the new keyword planner is restricted to exact match historical data only, so you have to make sure to compare the exact match volumes from the old keyword tool.

They probably still don't match exactly when comparing old and new exact match volumes, but this is because in the keyword planner you are seeing a mobile AND desktop combined number, and in the old keyword tool, the default setting is to show desktop search volumes only.

[MickEdwards]

In Google Keyword Tool you are set to broad match not exact match which brings the total down to 480.

https://support.google.com/adwords/answer/2497836?hl=en