Chart.js bar chart bars and labels do not align

Your Bar chart has certain settings by default, which you can override when you’re configuring your instance. Change barValueSpacing in order to do that.

Bar.options = { //How it looks in the ChartJS library...
    // ...
barValueSpacing : 5, //Number - Spacing between data sets within X values
    // ...
}

http://www.chartjs.org/docs/

Check out the documentation for more settings.