NSX announced that assets in U.S.-listed exchange traded funds (ETFs) and exchange traded notes (ETNs) surged to yet another new record in January.

At the close of the month, assets in both ETFs and ETNs totaled $1.02 trillion. Year-over-year, assets are up a total of 37%. [It’s Official: ETF Assets Firmly Above $1 Trillion.]

The number of listed products totaled 1,121, compared to 947 listed products at the same time last year. ETF net cash inflows for the month totaled more than $10.3 billion, with U.S. equities leading all product categories with over $10.1 billion in net cash flow. [January ETF Performance Report.]

Together, ETFs and ETNs notional trading volume during January 2011 totaled almost $1.3 trillion, representing 29% of all U.S. equity trading volume.

BlackRock‘s most recent report on the state of the global ETF industry things great things are afoot for the products that many have called revolutionary. Globally, the industry has nearly $1.5 trillion in assets from 168 providers on 50 exchanges as of the end of 2011.

Deborah Fuhr, Barclays’ global head of ETF research and implementation strategy, projects that assets will hit $2 trillion by the end of next year, Financial Planning reports.

At the rate the industry’s growing lately, that doesn’t seem to be too far-fetched of a prediction.

Tisha Guerrero contributed to this article.