How Do You Reduce Complacency?

Hi,
I am still chasing the Popular Leader achievement and I have noticed that complacency is very bad in some voter groups such as the poor and state employees. I have waited 5 full terms and complacency has not reduced at all in any voter group. I am playing the UK with default terms. Is there any way to reduce complacency?

Please help.

I didn't find the right solution from the Internet.

References:
positech.co.uk/forums/phpBB3/viewtopic.php?t=16016
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Thanks