Looking on the internet deeply has found these results:

I am a single is the most popular phrase on the web.

I am single 1442,000 results on the web	I am a single 123,900,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I can join, because I am single and in the city. and, believe or not, I am single. Enough about my unbelievable magnetism, except to say to the ladies that I am single and available for one night only, tonight. Fiona, I am single by choice. The point is, I am single, by my own choosing, so... I am single because, apparently, the only good men are fictional. This teenybopper Hillary says, "I am single, baby." I'm 39 and I am single.	I may be a dad, but I am a single dad. We don't know who I am as a single, dating person. I am detecting a single life sign in the Ketha Province. Will, I am a single mom working two jobs, And I have to tell you, I have been burned before By guys with baggage and messy, emotional attachments. I am a singles champion of hopscotch. I am a single mother, and I will not allow you to reject my child. And... I am a single mother, And I lost O'Malley... I am a single human being hanging out with my friends.

I am single

1442,000 results on the web

I am a single

123,900,000 results on the web

More popular!

I can join, because I am single and in the city.
and, believe or not, I am single.
Enough about my unbelievable magnetism, except to say to the ladies that I am single and available for one night only, tonight.
Fiona, I am single by choice.
The point is, I am single, by my own choosing, so...
I am single because, apparently, the only good men are fictional.
This teenybopper Hillary says, "I am single, baby."
I'm 39 and I am single.

I may be a dad, but I am a single dad.
We don't know who I am as a single, dating person.
I am detecting a single life sign in the Ketha Province.
Will, I am a single mom working two jobs, And I have to tell you, I have been burned before By guys with baggage and messy, emotional attachments.
I am a singles champion of hopscotch.
I am a single mother, and I will not allow you to reject my child.
And... I am a single mother, And I lost O'Malley...
I am a single human being hanging out with my friends.