The flag of Puerto Rico emoji shows red and white alternating horizontal stripes starting and ending with red. There is a blue triangle connecting all of the stripes with a white star in the middle of the triangle.
Tanzania's flag emoji features a green triangle in the top left corner and a blue triangle in the bottom right corner. A black stripe runs diagonally from the bottom left corner to the top right. The black stripe is bordered by yellow stripes on both sides.
The Costa Rican flag emoji is made up of five horizontal red, white, and blue stripes. The thick red one in the middle is flanked by two white stripes, followed by two blue stripes on the top and bottom.
The flag emoji of Zambia consists of a green background. In the bottom left corner, there are three vertical stripes of red, black and orange. On top of the stripes, there is an orange eagle in flight.