Pailly () is a municipality in the district of Gros-de-Vaud in the canton of Vaud in Switzerland. History Pailly is first mentioned in 1154 as Parli. Geography Pailly has an area, , of . Of this area, or 75.2% is used for agricultural purposes, while or 17.7% is forested. Of the rest of the land, or 6.6% is settled (buildings or roads), or 0.2% is either rivers or lakes. Of the built up area, housing and buildings made up 2.9% and transportation infrastructure made up 3.1%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 62.0% is used for growing crops and 11.4% is pastures, while 1.7% is used for orchards or vine crops. All the water in the municipality is in lakes. The municipality was part of the Échallens District until it was dissolved on 31 August 2006, and Pailly became part of the new district of Gros-de-Vaud. The municipality is located on the left bank of the Sauteruz river, across from the Échallens–Yverdon-les-Bains road. It consists of the village of Pailly and the hamlets of Le Remble and Moulin Pacot. Coat of arms The blazon of the municipal coat of arms is Pally of Six Argent and Azure, overall on a Bend Gules three Saltires couped Or. Demographics Pailly has a population () of . , 8.4% of the population are resident foreign nationals. Over the last 10 years (1999–2009) the population has changed at a rate of 15.3%. It has changed at a rate of 15.3% due to migration and at a rate of 1.6% due to births and deaths. Most of the population () speaks French (351 or 90.2%), with Portuguese being second most common (20 or 5.1%) and German being third (11 or 2.8%). There is 1 person who speaks Italian. Of the population in the municipality 145 or about 37.3% were born in Pailly and lived there in 2000. There were 155 or 39.8% who were born in the same canton, while 37 or 9.5% were born somewhere else in Switzerland, and 52 or 13.4% were born outside of Switzerland. In there were 4 live births to Swiss citizens and were 3 deaths of Swiss citizens. Ignoring immigration and emigration, the population of Swiss citizens increased by 1 while the foreign population remained the same. At the same time, there were 4 non-Swiss