Meaning of 発展途上 in Japanese

The growth in population is very rapid in developing countries.

Good technicians are in short supply in the developing countries.

The President decided to provide developing countries with sufficient aid.

While the birth rate is intended to be decreased in developing countries, that of developed nations is selfishly planned to be increased, resulting in the difficulty of getting mutual consent.

Advanced countries must give aid to developing countries.

The countries should aid the countries much more.

The government has increased its financial aid to the developing nations.

The urban population in most developing countries is increasing very fast.

Most developing countries are suffering from overpopulation.

The small country is making great efforts to keep up with other developing countries.