The following data is the result of an analysis of John McCain and Barack Obama's campaign speeches given from February 10, 2007 until August 19, 2008.

A trigram-analysis of Obama's speeches in comparison to those of John McCain also reflects the statistically high occurrence of expressions of time, indicating urgency, departure and orientation toward the future (in order of relative frequency):

• The 21 century
• It's time for
• Time to turn
• It's time to
• It's time we

Trigrams such as the first time and year after year also appear with a high relative frequency.

Striking in this linguistic category is the usage of phrases referring to the U.S. as a geographical, social and political identity:

• Right here in
• Across this country
• Across the country
• In this country
• Here in America
• A country that
• As a nation
• For every American

Similarly, Obama displays a highly significant usage of trigrams that emphasize collectivity and determination such as

• We have to
• So that we
• It's time we
• We know that
• That we have
• That we are
• So that we
• We can't afford
• We have the
• We should be
• We can do
• We want to

In comparison to John McCain, Obama also employs a significant number of trigrams that give the impression of the dialogic and conversational nature of his speech such as

• ask you to
• all of you
• I ask you
• And if you
• Tell you
• You're willing to

Trigrams that refer to the U.S. presidency in general or his actions when U.S. president such as

• President of the
• A president who
• I am president
• Running for president
• When I'm president
• For president of
• As president of

also bear a significantly higher frequency in Obama's rhetoric in comparison to John McCain.