Is Five the New 7pm?

Iran's state media has announced that the person known rather cruelly, I might say, as the dirtiest man in the world has died at the age of 94. He smoked up to five cigarettes at once, and he refused to wash for decades. In a 2014 interview, he also revealed that his favourite meal was porcupine so at least he had a long and interesting life. And it's 40 years since China's announced its population had reached over 1 billion people back in 1982. It's now 1.4 billion, and just for context, Australia's population has gone up by just over 10 million in that same time period. Now, don't maybe do any more maths