Arzier-Le Muids is a municipality in the district of Nyon in the canton of Vaud in Switzerland.

In 1536 control of the region, and of all of the lands of the abbey were lost to a conquering duke from Bern.

This duke wasn't appreciated because he did not let each village govern itself, causing numerous problems and much discontent.

Less than a century had past before the Brennards and Rafi lost their patience and stopped farming altogether, descending into extreme poverty.

As time went by and the land went to waste, the regional government decided to take drastic measures, and in 1664, granted Arzier political independence.

The village still had to pay a tax to Nyon, but henceforth it managed its own affairs independently.

In the early days of independence, the local council was composed of 8 members, each elected for life terms.

Today the political structure is much more complex, with the executive branch being made up of a mayor (syndic), a vice-mayor (vice-syndic) and three ministers (municipaux), and the legislative being made up of a council of a president, two vice presidents and 52 general members.

The name is a mix of two villages, Arzier and Le Muids and the hamlet of Montant and La Chèvrerie.

Arzier natives are called "Brennards" because the village experienced a severe fire in its early days (derivative of French for burn "bruler").

The blazon of the municipal coat of arms is Per pale Gules and Azure, overall a branch Vert with three leaves and two roses Argent, from dexter and sinister a cloud of the last from each issuing hand of the same clothed Or shaking the other one.

[10] The age distribution, as of 2009[update], in Arzier is; 261 children or 12.0% of the population are between 0 and 9 years old and 371 teenagers or 17.0% are between 10 and 19.

[9] The historical population is given in the following chart:[3][13] The Oujon Charterhouse along with the House Basse is listed as a Swiss heritage site of national significance.

The number of jobs in the primary sector was 19, of which 12 were in agriculture and 6 were in forestry or lumber production.

In the tertiary sector; 21 or 16.7% were in wholesale or retail sales or the repair of motor vehicles, 16 or 12.7% were in the movement and storage of goods, 7 or 5.6% were in a hotel or restaurant, 4 or 3.2% were in the information industry, 3 or 2.4% were the insurance or financial industry, 33 or 26.2% were technical professionals or scientists, 11 or 8.7% were in education and 5 or 4.0% were in health care.

[9] From the 2000 census[update], 513 or 28.3% were Roman Catholic, while 700 or 38.7% belonged to the Swiss Reformed Church.

In the Vaud cantonal school system, two years of non-obligatory pre-school are provided by the political districts.

The canton's primary school program requires students to attend for four years.