What is the minimum taxable income for 2024?

It depends on your filing status and you are not self-employed -

Standard deductions for 2024

Single - $14,600 add $1,850 if age 65 or older
Married Filing Separately - $14,600 add $1,550 if age 65 or older
Married Filing Jointly - $29,200 add $1,550 for each spouse age 65 or older
Head of Household - $21,900 add $1,950 if age 65 or older

SSI is Supplemental Security Income and is not from the Social Security Administration. It is designed to help aged, blind, and disabled people, who have little or no income; and. It provides cash to meet basic needs for food, clothing, and shelter. SSI is not reported on a tax return.

Social Security Retirement/Disability/Survivors benefits are reported on a form SSA-1099 and the benefits received are to be entered on a federal tax return. The benefits may be taxable depending on the amount of other income you have entered on your tax return.

However, if the Social Security benefits is the Only income to be reported on the tax return and there is no federal income taxes being withheld, then there is no reason or need to file a tax return.

Unless you also received a Form 1095-A for your health insurance through one of the State Marketplace Exchanges or from healthcare.gov then you must file a tax return.

If SSI or Social Security (which are not the same thing) is your ONLY income, you are not required to file a tax return at all unless you have a 1095A for marketplace health insurance.   If you have a SSA1099 for Social Security benefits AND you have other income from working, retirement accounts, investment income, etc.etc. etc., then you may need to file a a tax return.

You need to file a federal return if half your Social Security plus your other income is $25,000 when filing single or head of household, or $32,000 when filing married filing jointly, $0 if you are filing married filing separately.

Who has to file?

http://www.irs.gov/uac/Do-I-Need-to-File-a-Tax-Return%3F

WHAT IS THE DIFFERENCE BETWEEN SOCIAL SECURITY BENEFITS AND SSI?

https://www.ssa.gov/ssi/text-over-ussi.htm