In the days before his State of the Union address, President Trump has claimed to have ushered in a historic comeback. "So just one year ago under crooked Joe Biden — and he was crooked as hell — our country was dead," he said at a rally last week in Georgia. "Now we have the hottest country. In one year, we have the hottest country anywhere in the world." But economic indicators and crime metrics do not show abrupt reversals from "worst" to "best," as the president often brags. Rather, trends on these issues that began before Mr. Trump retook office continued, largely unabated, in his first year back. Here is what the data show.