To animate a line graph in PowerPoint, you need to open the slide, draw the Graph add the labels and then animate the graph as explained here.

Here is a list of free online Animated Graph and Chart makers to create different types of animated bar charts, line charts, etc. easily.

PowerPoint presentations with multiple sequential graphs, such as monthly results each on a separate slide, tax viewers' short-term memory, preventing them from absorbing the results. Beth Lisberg ...