seyyed hossein kazemnia, radio and television news agency, we have reached the end of this news section . it is easy to grow businesses and the stock market with more and more customers and demographics in the last 40 years, a wave of opportunity. imagine that if they had two children , they would replace themselves and then a male counterpart. we call this the replacement rate. replacement should actually be more than that, about two to one. you may think that this difference is insignificant, but it is a significant amount, and a difference of two hundred percent in the fertility rate has a significant impact on the country's population. therefore, here we can see a decrease in the global fertility rate and we are approaching this line, which is somehow considered for the replacement rate. in fact, it is very high for developed countries. we can develop it in other parts of the world let's see so here in europe with 1.4% of china, of course, it has an extremely low fertility rate. that is, on average, a woman has only one child in her lifetime, and india, the most populous country in