Looking on the internet deeply has found these results:

There are many things on the agenda. is the most popular phrase on the web.

There are many things in the agenda. 10 results on the web	There are many things on the agenda. 133 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	There are many things on the agenda such as deciding what charity we will support this year to raise money for collectively as part of the Merseyside CLD ... Oct 15, 2014 ... “There are many things on the agenda of the new Commission,” he said. “ Privatisation is one of the key elements of a new growth agenda for ... Feb 28, 2015 ... No change in policy is expected now, but there are many things on the agenda: the ECB's role in the Greek crisis, how Draghi sees inflation ... Feb 24, 2012 ... "I'm fully engaged with being foreign minister and there are many things on the agenda at present. We have a prime minister, I support the ...

There are many things in the agenda.

10 results on the web

There are many things on the agenda.

133 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

There are many things on the agenda such as deciding what charity we will support this year to raise money for collectively as part of the Merseyside CLD ...
Oct 15, 2014 ... “There are many things on the agenda of the new Commission,” he said. “ Privatisation is one of the key elements of a new growth agenda for ...
Feb 28, 2015 ... No change in policy is expected now, but there are many things on the agenda: the ECB's role in the Greek crisis, how Draghi sees inflation ...
Feb 24, 2012 ... "I'm fully engaged with being foreign minister and there are many things on the agenda at present. We have a prime minister, I support the ...