Hey "Plight-Where":
Your question is illogical. The chart does not support the question. For your sake, we will assume that earth's population has "tripled" since 1914. So what?
Hasn't communication and transportation also tripled since 1914? When humans were separated economically, geographically, with little means of communication, it was no wonder populations did not increase.
World travel, business, tourism, migrating populations, the refugee century and many other factors influenced the growth in populations. None of this is related to the magical 1914. Rather than interrogate this forum to solidify or validate pie-in-the-sky predictions, try investigating some sociological resources and research the matter from a scientific standpoint rather than a superstitous/religious frame of reference.
"...when you see a good fight, get in it..." Dr. Vernon John