The United Nations marked International Migrant’s Day with fervent appeals for the vast majority of States who have not yet done so to adhere to the treaty that seeks to protect the rights of the estimated 195 million people around the world who have left their homelands in search of better lives. “Rising numbers of migrants are being exploited and abused by smugglers and traffickers,” Secretary-General Kofi Annan said in a message. “Others suffer discrimination, xenophobia or racism."