To show your site visitors to how many people follow you on twitter use the one of below code:

1.Login to your blogger dashboard-->Layout > Page Elements

2.Click on 'Add a Gadget'.

3.Select 'HTML/Javascript' and add the one of code given below and click save.

1.Big Twitter followers counter button:

<script type="text/javascript" language="javascript" src="http://twittercounter.com/embed/?username=YOUR-TWITTER-USERNAME&style=bird"></script>

2.White Twitter followers counter button:

<script type="text/javascript" language="javascript" src="http://twittercounter.com/embed/?username=YOUR-TWITTER-USERNAME"></script>

3.Black Twitter followers counter button:

<script type="text/javascript" language="javascript" src="http://twittercounter.com/embed/?username=YOUR-TWITTER-USERNAME&style=black"></script>

4.Show your Twitter followers in Text:

<script type="text/javascript" language="javascript" src="http://twittercounter.com/widget/index.php?username=YOUR-TWITTER-USERNAME"></script>