New Living Translation
LORD, you always give me justice when I bring a case before you. So let me bring you this complaint: Why are the wicked so prosperous? Why are evil people so happy?

American Standard Version
Righteous art thou, O Jehovah, when I contend with thee; yet would I reason the cause with thee: wherefore doth the way of the wicked prosper? wherefore are all they at ease that deal very treacherously?

Berean Study Bible
Righteous are You, O LORD, when I plead before You. Yet about Your judgments I wish to contend with You: Why does the way of the wicked prosper? Why do all the faithless live at ease?

Douay-Rheims Bible
Thou indeed, O Lord, art just, if I plead with thee, but yet I will speak what is just to thee: Why doth the way of the wicked prosper: why is it well with all them that transgress, and do wickedly?

English Revised Version
Righteous art thou, O LORD, when I plead with thee: yet would I reason the cause with thee: wherefore doth the way of the wicked prosper? wherefore are all they at ease that deal very treacherously?

King James Bible
Righteous art thou, O LORD, when I plead with thee: yet let me talk with thee of thy judgments: Wherefore doth the way of the wicked prosper? wherefore are all they happy that deal very treacherously?

World English Bible
You are righteous, Yahweh, when I contend with you; yet I would reason the cause with you: why does the way of the wicked prosper? why are all they at ease who deal very treacherously?

Young's Literal Translation
Righteous art Thou, O Jehovah, When I plead towards thee, Only, judgments do I speak with Thee, Wherefore did the way of the wicked prosper? At rest have been all treacherous dealers.

Jeremiah 12:1 Additional Translations ...