Which of the following statements is/are NOT true about the population growth?

It took more than a million years for the human population to attain the one billion mark. It took only 12 years for it to rise from 5 billion to 6 billion. Most of the population growth is taking place in the developed world. None of the above.

Most of the population growth is taking place in the developed world.

Most of the population growth is taking place in the developing world.