washington donald trump republican presidential campaign widely criticize refuse release candidate tax return release 10 years return friday vice presidential nominee mike pence trump campaign also repeat pledge trump would release return government complete audit pence return 2006 2015 show indiana governor former u.s. congressman pay effective tax rate range 10 percent 16.5 percent return release full support mr. trump plan release tax return upon completion routine audit campaign say disclosure tax return standard procedure modern presidential candidates trump critics include campaign democratic presidential nominee hillary clinton suggest may hide something speculate trump may pay little tax net worth may much less 10 billion claim pence wife karen report adjust gross income 10 years range 113,000 last year 187,000 2009 effective state federal tax rate range low 10 percent 2013 high 16.5 percent 2014 figure show charitable donations amount 10 percent family take-home pay equivalent average 7.2 percent adjust gross income statement release trump campaign say hillary clinton release 2015 tax return last month show husband former president bill clinton 10.75 million income year pay effective federal tax rate 34.2 percent income come bill clinton speak fee book deal hillary clinton run mate u.s. senator tim kaine virginia along wife anne holton release 10 years tax return time august pay federal effective tax rate 20.3 percent income 313,000 2015. trump campaign release tax return republican vp nominee pence