Word 2011 for Mac users can find out count of characters in a document using the Word Count option available as part of the Tools section. The Word Count option apart from displaying the total numbers words in a document or the selected paragraph.
Click the Tools menu and select Word Count option from the menu list.
This would display the following Word Count window with the details about Characters (no spaces) and Characters (with spaces)
If you want to find out the characters count for selected paragraph instead of whole document then select the Paragraph and click the Word Count option.