After you file

For 2017 if your federal tax return was a Form 1040EZ that is only one page.  Forms 1040A and 1040 are two pages for 2017.

For 2018 there is only a Form 1040.  Forms 1040A and 1040EZ are no longer used.

The 2018 Form 1040 is two half pages.  The printout of the form 1040 combine both halves onto own page.

IRS Form 1040 (2018) - https://www.irs.gov/pub/irs-pdf/f1040.pdf