Developed country.
All of them have capitalistic economies; Australia and Canada are developed, industrialized economies while Mexico and Brazil are still in process of industrialization, commonly known as "emerging markets".
You mean "developed" or industrialized? No. It is an "emerging market" or "newly industrialized country".
Yes
No, Russia is a developed country. However, the economy is seen as part of the emerging one.
It's very technologically developed.
Emerging market or Newly Industrialized Country (NIC). It means it is a developing, capitalist country.
Yes, from an undeveloped country into an industrialized one. Such term is defined as "developing country" or "emerging market".
It's a developing country (as opposed to a developed country), but it is economically regressing, not improving access (which is what the term "emerging economy" usually means).
No. It has an emerging market status, meaning it still needs more development to be considered a fully industrialized country. See related questions.
The US has already developed. Many of the emerging former Communist Bloc nations of Eastern Europe could be considered developing.
developing country
A developed nation is usually lower than an emerging nation with respect to its birth rate. Developing nations often still practice subsistence farming which can be very labor-intensive. More children are an advantage in this type of situation.