Top quark production at the Tevatron

Preliminary results on the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$t\bar{t}$\end{document} production cross section measurement at a center-of-mass energy of 1.96 TeV carried out by the CDF and DØ collaborations are presented. The data samples used for the analyses are collected in the current Tevatron run.