Savvy Senior: IRS filing requirements

Dear Savvy Senior,

What are the IRS income tax filing requirements for seniors this year? I didn’t file a tax return the past two years because my income was below the filing requirements, but I got a part-time job late last year, so I’m wondering if I’m required to file this year.

Part-time Retiree

Dear Part-time,

Whether or not you are required to file a federal income tax return this...