Genesis 41:53

‘And the seven years of plenty that were in Egypt came to an end, and the seven years of famine began to come in the way that Joseph had said, and there was famine in all lands, but in all the land of Egypt there was bread. And when all the land of Egypt was becoming hungry the people cried to Pharaoh for bread and Pharaoh said to all the Egyptians, “Go to Joseph. Do what he says to you.” And the famine was over the face of the whole earth, and Joseph opened all the storehouses and sold to the Egyptians, and the famine was severe in the land of Egypt, and all countries came to Egypt, to Joseph, to buy corn because the famine was severe in all the earth.'

As predicted seven years of plenty passed and the particularly severe famine eventually came, and it was clearly very widespread. But everything was ready. The storehouses were opened and the people were able to buy corn to meet their needs, and many in the surrounding area, hearing there was corn in Egypt, came too to buy corn.

“There was famine in all lands.” ‘The famine was over the face of the whole earth'. ‘All countries came to Egypt to buy corn.' ‘The famine was severe in all the earth.' Notice the stress on ‘all'. As far as their knowledge reached there was severe famine. But these universal sayings are not to be taken literally. They speak of the world from Egypt's point of view. As far as Egypt was cognisant there was extended famine, and people and requests for corn seemed to come from everywhere. This was the meaning of the words to the Egyptians who did not have a concept of the whole earth as we know it. But Canaan, which was close by and which was totally dependent on rain, would suffer grievously.

“Pharaoh said to all the Egyptians.” That is, through orders to his officials throughout the land (probably sealed by Joseph, his vizier).