Label

Element

Value

Pax World Global Environmental Markets Fund

Risk/Return:

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Supplement [Text Block]

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Pax World Funds Series Trust I

PAX WORLD GLOBAL ENVIRONMENTAL MARKETS FUND

Supplement Dated September 18, 2013

to the

Prospectus

Dated May 1, 2013

Effective September 18, 2013, the Prospectus and Statement of Additional Information are amended, as follows:

Risk/Return [Heading]

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Pax World Global Environmental Markets Fund

Objective [Heading]

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1) The first paragraph on page 47 is deleted and replaced with the following:

Objective, Primary [Text Block]

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The Global Environmental Markets Fund’s investment objective is to seek long term growth of capital by investing in innovative companies around the world whose businesses and technologies focus on environmental markets, including alternative energy and energy efficiency; water infrastructure technologies and pollution control; environmental support services and waste management technologies; and sustainable food, agriculture and forestry.

Strategy [Heading]

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2) The first sentence of the second full paragraph on page 49 is deleted and replaced with the following:

Strategy Narrative [Text Block]

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The Global Environmental Markets Fund invests in environmental markets—companies whose businesses and technologies focus on environmental markets, including alternative energy and energy efficiency; water infrastructure technologies and pollution control; environmental support services and waste management technologies; and sustainable food, agriculture and forestry.