What percent of america has an iq of under 100?


No info on percentages of American IQs, but the US is #19 on World's IQ Averages at ave IQ at 98. Top country is Hong Kong at 107.

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The United States of America (USA), commonly referred to as the United States (US), America, or simply the States, is a federal republic consisting of 50 states, 16 territories, a federal district, and various overseas extraterritorial jurisdictions. The 48 contiguous states and the federal district of Washington, D.C., are in central North America between Canada and Mexico. The state of Alaska is the northwestern part of North America and the state of Hawaii is an archipelago in the mid-Pacific. The country also has five populated and nine unpopulated territories in the Pacific and the Caribbean. At 3.79 million square miles (9.83 million km2) in total and with around 316 million people, the United States is the fourth-largest country by total area and third largest by population. It is one of the world's most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries. The geography and climate of the United States is also extremely diverse, and it is home to a wide variety of wildlife.

Paleo-indians migrated from Asia to what is now the US mainland around 15,000 years ago, with European colonization beginning in the 16th century. The United States emerged from 13 British colonies located along the Atlantic seaboard. Disputes between Great Britain and these colonies led to the American Revolution. On July 4, 1776, delegates from the 13 colonies unanimously issued the Declaration of Independence. The ensuing war ended in 1783 with the recognition of independence of the United States from the Kingdom of Great Britain, and was the first successful war of independence against a European colonial empire. The current Constitution was adopted on September 17, 1787. The first 10 amendments, collectively named the Bill of Rights, were ratified in 1791 and guarantee many fundamental civil rights and freedoms.


The Toyota iQ is a city car first shown to the public at the March 2008 Geneva Auto Show, with Japanese sales having begun in October 2008 and European sales in January 2009. The production iQ followed a concept vehicle presented at the 2007 Frankfurt Auto Show. A North American version of the iQ, branded as the Scion iQ, was released in the U.S. beginning in October 2011 with the West Coast states and Canada in 2012. Deliveries of an all-electric version with a range of 80 km (50 mi) began in the U.S. in March 2013. Production of the Scion iQ EV (Toyota eQ in Japan) will be limited to 100 units for special fleet use in Japan and carsharing demonstration projects in the U.S.

The name iQ, an initialism of the term intelligence quotient, recalls a competitor, the Smart Fortwo. According to Toyota, the i stands for "individuality" "innovation" and "intelligence", while the Q stands for "quality" and points to the iQ's "cubic" shape. It was Japanese Car of the Year for 2008. While the length is in compliance with Japanese government dimension regulations for cars classified as kei car, the width and the engine size are not, and therefore it is defined as a supermini.

IQ and the Wealth of Nations is a 2002 book by Dr. Richard Lynn, Professor Emeritus of Psychology at the University of Ulster, Northern Ireland, and Dr. Tatu Vanhanen, Professor Emeritus of Political Science at the University of Tampere, Tampere, Finland. The book argues that differences in national income (in the form of per capita gross domestic product) are correlated with differences in the average national intelligence quotient (IQ). The authors further argue that differences in average national IQs constitute one important factor, but not the only one, contributing to differences in national wealth and rates of economic growth. Critical responses have included questioning of the methodology and of the incompleteness of the data, as well as of the conclusions. The 2006 book IQ and Global Inequality is a follow-up to IQ and the Wealth of Nations by the same authors. Several other data-sets of estimated average national cognitive ability exist, as explained in nations and intelligence.

Race Differences in Intelligence: An Evolutionary Analysis is a 2006 book by controversial race and intelligence writer Richard Lynn reviewing the worldwide literature on IQ testing and arguing for in part genetic racial differences and with a discussion on the causes and consequences.

As with Lynn's and Tatu Vanhanen's 2006 book IQ and Global Inequality, the book was published by Washington Summit Publishers. It was followed in 2008 by The Global Bell Curve. Lynn's survey is an expansion by nearly four times of the data collected in his 2002 book IQ and the Wealth of Nations with Tatu Vanhanen, which dealt with the relationship between IQ and economic development.


An intelligence quotient, or IQ, is a score derived from one of several standardized tests designed to assess intelligence. The abbreviation "IQ" comes from the German term Intelligenz-Quotient, originally coined by psychologist William Stern. When current IQ tests are developed, the median raw score of the norming sample is defined as IQ 100 and scores each standard deviation (SD) up or down are defined as 15 IQ points greater or less, although this was not always so historically. By this definition, approximately 95 percent of the population scores an IQ between 70 and 130, which is within two standard deviations of the median.

IQ scores have been shown to be associated with such factors as morbidity and mortality, parental social status, and, to a substantial degree, biological parental IQ. While the heritability of IQ has been investigated for nearly a century, there is still debate about the significance of heritability estimates and the mechanisms of inheritance.


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