How can I prevent my personal information from being repopulated online?

I’m currently going through and removing my personal info from online (like on people search sites, data brokers) as much as possible. My question is, what steps can I take to try and avoid the repopulation of my personal info? Probably impossible but I’d like to do what I can. I’ve heard that deleting old accounts is one of them. What else can I do?

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