Final answer:
The crude birth rate for a country with a population of 80 million and 2 million births per year would be 25 births per 1,000 people per year.
Step-by-step explanation:
To calculate the crude birth rate (CBR) for a country, we use the formula that defines CBR as the total number of live births in a year for every 1,000 people alive in the society. With a population of 80 million and 2 million births per year, we can calculate the CBR by dividing the total number of births by the population and then multiplying by 1,000. The calculation would be (2,000,000 / 80,000,000) * 1,000, which equals 25. Thus, the crude birth rate for the country would be 25 births per 1,000 people per year.