Google Trends takes the point of most activity or peak for any search and that becomes "100" and then any other activity is measured against the peak level. So this chart does not show the relative interest in genealogy compared to other subjects, but just the activity as compared to itself. Here is the long-term chart.
If I take some random topic, such as football for instance, here is what the long-term graph looks like.
You can easily see the seasonal interest in this particular sport.
Now, what happens if you compare the large online genealogical database/family tree programs? Here is the graph for FamilySearch.org.
Interesting that its peak of searching interest was in 2015. Now, here is Ancestry.com.
Here we go with MyHeritage.com.
MyHeritage.com peaked back in 2010 which likely corresponds to when the website was just gaining traction in the United States.
Now, with Findmypast.com.
Findmypast.com peaked back in 2007 and was exclusively in the UK and other related countries.
How do all the companies stack up? Here is a chart of all four for comparison.
It appears that Ancestry.com is living on its past glory days. Recently, both FamilySearch.org and Ancestry.com have shared about the same interest but neither MyHeritage.com or Findmypast.com have reached their levels. What this chart does not show at all is the phenomenal growth of MyHeritage.com as a company worldwide. Currently, MyHeritage.com has over 91 million members, a number that far exceeds any other genealogy-related company. I surmise that those who are involved in these programs don't spend any time at all looking for them online; their users already know who and where they are located.
Here is another indicator of the cyclical nature of genealogy searches. This is a search for #RootsTech, the large genealogy conference.
I can't imagine what that little blip back in 2004 was, but the rest of the searches are predictable and regular.
So, for this go around, it looks like searches for genealogy have leveled off in a sort of background way. One more search is interesting. This one is for "genealogy websites."
The peak here was in 2010, which appears to correspond to the peak for MyHeritage.com and was also the peak for Ancestry.com. Interesting.
Oh, I thought I should show the chart for FamilySearch.org as a search term also.
FamilySearch.org shows the same 2010 peak but has another peak in 2013 that seems to correspond to the peak for #RootsTech that year. That's all for now for this update.