Artificial intelligence will be at the center of future technology.

The next census will be conducted next year.

Demography is a part of social science that studies the structure, evolution, and problems of human population.

Demography is a branch of social science that studies the structure, distribution, and changes in human population.

We played a match on the artificial turf soccer field.

Looking at the population pyramid, you can see that this country is aging.

The emperor issued an order to the entire army to start the attack.

The emperor ordered the entire army to attack.

In traditional cosmology, Kaku-rei is considered one of the triangles.

During the Meiji era, many reforms were carried out by imperial edict.