Looking on the internet deeply has found these results:

for joining is the most popular phrase on the web.

to joining 110,600,000 results on the web	for joining 129,200,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
I'm looking forward to joining your papa. She was just as resistant to joining the Company. And I cherish you, and I look forward to joining my life with yours for eternity. I came close to joining the army after New York. I look forward to joining you in that debate. I get the feeling he's looking forward to joining your... Boy scout camp. I really believe that Turkey is close to joining the Community. I'm looking forward to joining my husband, Walter,	Thanks, everyone, for joining me today. Thank you, all, for joining me today in celebrating Bob's life. Thank you all for joining me. Thank you, everyone, for joining in my celebration. Thank you guys for joining me on this momentous day. I want to thank you all for joining us in celebrating the Miracle of the Oil. Making this fruit visible will enable this project to act as a stimulus for joining forces in other fields, too. Thank you guys for joining me on this momentous day.

to joining

110,600,000 results on the web

for joining

129,200,000 results on the web

More popular!

I'm looking forward to joining your papa.
She was just as resistant to joining the Company.
And I cherish you, and I look forward to joining my life with yours for eternity.
I came close to joining the army after New York.
I look forward to joining you in that debate.
I get the feeling he's looking forward to joining your... Boy scout camp.
I really believe that Turkey is close to joining the Community.
I'm looking forward to joining my husband, Walter,

Thanks, everyone, for joining me today.
Thank you, all, for joining me today in celebrating Bob's life.
Thank you all for joining me.
Thank you, everyone, for joining in my celebration.
Thank you guys for joining me on this momentous day.
I want to thank you all for joining us in celebrating the Miracle of the Oil.
Making this fruit visible will enable this project to act as a stimulus for joining forces in other fields, too.
Thank you guys for joining me on this momentous day.