For most of the 20th century Tonga was quiet, inward-looking, and somewhat isolated from developments elsewhere in the world. The Tongans, as a whole, continue to cling to many of their old traditions, including a respect for the nobility. Tonga's complex social structure is essentially broken into three tiers: the king, the nobles, and the commoners. Between the king, nobles, and commoners are Matapule, sometimes called "talking chiefs," who are associated with the king or a noble and who may or may not hold estates. Obligations and responsibilities are reciprocal, and although the nobility are able to extract favors from people living on their estates, they likewise must extend favors to their people. Status and rank play a powerful role in personal relationships, even within families.

Tongans are beginning to confront the problem of how to preserve their cultural identity and traditions in the wake of the increasing impact of Western technology and culture. Migration and the gradual monetization of the economy have led to the breakdown of the traditional extended family. Some of the poor, supported by the extended family, are now being left without visible means of support.

Educational opportunities for young commoners have advanced, and their increasing political awareness has stimulated some dissent against the nobility system. In addition, the rapidly increasing population is already too great to provide the constitutionally mandated 8.25 acre api for each male at age 16. In mid-1982, population density was 134 persons per square kilometer. Because of these factors, there is considerable pressure to move to the Kingdoms only urban center of migrate.

In March 2002 election, seven of nine popularly elected representatives were chosen under the pro-democratic banner with the remaining two representing "traditionalist" values. The nine nobles and all the cabinet ministers that sit in the Legislative Assembly generally support the government. Tonga is not a democracy; the people do not have the right to change their government through elections, although they can elect a minority of members of the Legislative Assembly

In 2003, a newspaper published in New Zealand in the Tongan language that has been critical of the government was prohibited from distribution in Tonga due to government objections to its political content. After the newspaper obtained two court orders, it has been distributed freely. A Media Operators Bill and constitutional amendment, which would restrict media freedom in Tonga, has been hotly debated in 2003. The legislation will allow the government to exert control over coverage of "cultural" and "moral" issues, ban publications it deems offensive, and ban foreign ownership of the media. In October 2003, thousands of Tongans marched peacefully through the streets of the capital city Nuku'alofa in an unprecedented demonstration against the government's plans to limit media freedom. Despite the protests, the Media Operators Bill and constitutional amendment passed the Legislature and as of December 2003 needed only the King's signature to become law.