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Why Taxpayers Owed $500 Billion in Taxes When They Filed This Year

Summary: Households owed more than $500 billion in taxes when they filed their returns this year, an increase of about $200 billion from immediately prior to the pandemic. The large tax liability owed at filing is mostly the result of a surge in capital gains and other income from financial assets in 2021.
Introduction

Individual taxpayers owed the IRS hundreds of billions more than usual when they filed their 2021 tax returns last month. Figure 1 shows the amount of nonwithheld individual income tax collected around each year’s tax filing deadline since 2005.1 Adjusted for inflation, collections of nonwithheld tax in filing months were just over $300 billion in the years before the pandemic, dipped below $250 billion in 2021, and then surged to more than $500 billion in April 2022. Nonwithheld income taxes include taxes on income from financial assets and income from pass-through businesses, but exclude taxes on wages withheld by employers throughout the year.

Figure 1. Payments of Nonwithheld Individual Income Tax in the Month of the Tax Filing Deadline

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Notes: Figures are adjusted for inflation based on the price index for Personal Consumption Expenditures (PCE). The tax filing deadline is generally in April but was extended to July in 2020 and to May in 2021.
Sources: Penn Wharton Budget Model, Department of the Treasury, Bureau of Economic Analysis.

Who Paid More When They Filed?

The surge in taxes due at filing came entirely from taxpayers who paid by electronic funds transfer. Figure 2 compares cumulative (year-to-date) weekly payments of nonwithheld tax in 2022 with recent years, broken out by method of payment. Electronic payments and payments by check show strikingly different patterns in the years since 2020. Electronic payments rose well above pre-pandemic norms, accounting for extensions of the tax filing deadline in 2020 and 2021. In contrast, payments by check stagnated.

The magnitude of electronic payments in recent years, and especially in 2022, is unprecedented. Adjusted for inflation, payments in the middle two weeks of April 2022 alone exceeded total electronic payments over any full calendar year prior to 2020. Total annual electronic payments reached historic highs in both 2020 and 2021 but both were already surpassed by the end of April 2022, with eight months of tax collections still ahead.

Figure 2. Cumulative Weekly Payments of Nonwithheld Individual Income Tax by Method of Payment

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Notes: Figures are adjusted for inflation based on the price index for Personal Consumption Expenditures (PCE). The tax filing deadline is generally in April but was extended to July in 2020 and to May in 2021.
Sources: Penn Wharton Budget Model, Department of the Treasury, Bureau of Economic Analysis.

Both businesses and households pay nonwithheld income taxes, but the divergence across payment methods points to households as the source of the recent surge. Noncorporate business owners generally estimate the nonwithheld tax liability on their business income and make payments of estimated tax throughout the year, settling any differences between actual and estimated tax liability when they file their returns. For financial reasons, these payments are typically made by check.2 Households generally owe nonwithheld tax on their financial income – including capital gains, dividends, and interest – and pay the full amount when they file. Most households file their returns electronically and most of the tax due at filing is paid by electronic funds transfer.

More Gain, More Pain

The unprecedented surge in households’ nonwithheld tax liability reflects an equally unprecedented surge in financial income in 2021.3 Figure 3 shows annual growth in the value of corporate equities and mutual fund shares owned by households. Household equity wealth rose 40 percent last year – nearly twice as fast as any other year since 1990 – as the economy recovered and equity prices rose sharply. Recent years have also seen a substantial increase in the volume of trading by households. Rapid asset price appreciation and broadening participation in markets imply an unusually high level of household financial income in 2021, especially capital gains.

Figure 3. Growth in Value of Household Corporate Equity and Mutual Fund Assets

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Note: Growth rates are calculated as the percentage change in the annual average of quarterly levels.
Sources: Penn Wharton Budget Model; Federal Reserve Board.

High levels of financial income are historically associated with more tax owed when individuals file their returns. Figure 4 plots the aggregate share of adjusted gross income (AGI) accounted for by income from financial assets against the share of total tax liability due at time of filing. Since households pay taxes on their financial income only when they file their returns, there is a strong positive relationship between the two. Historical data is currently available only for the 1990-2019 period but Figure 4 shows PWBM’s estimates for 2020 and 2021, based on the historical relationships between tax payments, tax liability, and financial income. These relationships imply that financial income made up nearly one fifth of AGI in 2021, higher than any year since at least 1990.

Figure 4. Taxable Financial Income and Tax Due at Time of Filing

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Notes: Financial income includes capital gains, dividends, and taxable interest. The shaded areas represent 95 percent confidence intervals around the linear trend (dashed line).
AGI = adjusted gross income.
Sources: Penn Wharton Budget Model; IRS Statistics of Income.



This analysis was prepared by Alexander Arnon under the direction of Richard Prisinzano. Prepared for the website by Mariko Paulson.


  1. The tax filing deadline is generally in April but was extended to July in 2020 (filing for the 2019 tax year) and to May in 2021 (filing for the 2020 tax year).  ↩

  2. Paying by check allows a taxpayer or a taxpayer’s bank to initiate a tax payment while retaining use of the funds until the check clears, which may take several days.  ↩

  3. Returns filed in April 2022 cover income earned in the 2021 tax year.

    Government transfer payments were also unusually high in 2021, and these payments could have affected taxpayers’ position when they filed. However, they cannot account for the surge in tax payments relative to prior years. Most of the transfers, including Economic Impact Payments (stimulus checks) and the expanded Child Tax Credit, actually reduced tax liability or the amount owed at filing. Unemployment insurance benefit payments – which do tend to increase tax owed at filing – fell more than a third from 2020 to 2021.  ↩

  YearMonth	Year	Deposits
  Apr 2006	2006	213.0759613
  Apr 2007	2007	256.8346422
  Apr 2008	2008	289.7004123
  Apr 2009	2009	187.8329115
  Apr 2010	2010	153.0960963
  Apr 2011	2011	188.1472227
  Apr 2012	2012	186.9109613
  Apr 2013	2013	262.1098818
  Apr 2014	2014	261.0023624
  Apr 2015	2015	307.7738399
  Apr 2016	2016	281.4491768
  Apr 2017	2017	268.1308983
  Apr 2018	2018	323.9258228
  Apr 2019	2019	326.8238484
  Jul 2020	2020	303.4158818
  May 2021	2021	243.079
  Apr 2022	2022	522.1208625
  Type	Week	min	med	max	2020	2021	2022
  Check	1	4.904039351	7.293084127	8.608342659	4.778055644	4.785	5.661968747
  Check	2	15.88925566	18.90712088	23.20395504	17.41705153	16.347	17.16963645
  Check	3	39.1450805	51.13839384	78.82999622	41.971064	49.592	48.58846473
  Check	4	77.23723727	80.49732354	86.66263445	79.76548415	77.904	81.00770882
  Check	5	80.64388409	82.87409977	88.87010508	82.40691795	82.367	84.28984225
  Check	6	82.57137881	84.58437348	90.53069981	84.53626884	83.914	86.06846614
  Check	7	83.53369161	85.82518973	91.86849357	85.57186046	85.123	88.20781688
  Check	8	85.06530731	87.16455838	93.50912124	87.02709002	86.402	91.8112377
  Check	9	87.2605483	89.16900866	96.16363239	89.12424097	88.705	94.36710772
  Check	10	91.89766153	92.8007651	100.3389688	92.49069278	91.552	97.73100591
  Check	11	94.33286495	95.21771806	102.8470548	95.09057827	93.798	100.4350144
  Check	12	97.64041143	98.41845039	106.0539882	97.89716661	96.483	103.9605182
  Check	13	102.0357592	102.6840251	110.7092647	100.3412459	99.705	108.8942997
  Check	14	110.0638158	112.0914742	121.9299876	102.5038355	105.014	119.2072401
  Check	15	129.601739	136.7336779	155.8195956	106.0873772	115.513	143.6904933
  Check	16	200.1506906	231.0008504	274.6617837	112.8420937	153.419	215.1894422
  Check	17	300.6944668	318.3306694	352.0091448	117.4134465	177.038	318.9883548
  Check	18	309.6730875	325.5720831	356.9153401	119.3901073	186.058	330.0256347
  Check	19	311.5370065	327.8190558	359.6132433	121.5682775	197.586	
  Check	20	313.2908987	329.7069193	362.2349598	123.6540027	239.713	
  Check	21	315.0284503	331.5296671	363.4315382	125.4707025	294.116	
  Check	22	316.8825649	333.5597326	366.563033	128.1121363	308.325	
  Check	23	321.9307241	338.276489	373.922886	132.3324059	315.299	
  Check	24	337.5229346	357.8980749	401.4296226	139.0268773	334.811	
  Check	25	379.6250622	397.8252743	436.830639	149.6840188	374.973	
  Check	26	383.288627	401.5166487	440.0719322	155.4031437	378.644	
  Check	27	385.3268458	403.5165857	442.3407254	164.2072306	380.909	
  Check	28	387.0415206	405.6032224	444.284605	186.6744792	383.156	
  Check	29	388.9261376	407.7591793	446.3192363	264.475767	385.921	
  Check	30	390.5950587	409.3904	447.9919811	321.7968541	387.795	
  Check	31	392.0439261	410.8305733	449.4260825	331.3550428	389.331	
  Check	32	393.5189385	412.366951	451.0472893	333.6225418	391.157	
  Check	33	395.0712965	413.9558731	452.7379603	335.5389576	392.888	
  Check	34	396.9199643	415.7739664	454.7042478	337.6039086	394.761	
  Check	35	399.071478	417.7561524	457.3416498	341.0087926	397.236	
  Check	36	403.2470486	422.7189067	461.2394925	345.1511591	402.482	
  Check	37	417.3642467	442.0127847	485.0478161	357.1721239	416.331	
  Check	38	466.0167803	484.5098955	531.9653388	396.8871147	455.368	
  Check	39	470.6694968	493.6268815	536.7157996	408.0812681	464.649	
  Check	40	473.3319269	496.1530689	539.5022137	411.8123063	467.644	
  Check	41	475.9475139	498.5462865	541.3777494	415.0052939	470.604	
  Check	42	483.3519892	507.3283946	553.6415569	420.9726699	479.785	
  Check	43	489.8468372	514.5460394	558.8088034	430.9411482	484.865	
  Check	44	491.5070432	516.2393088	560.7907763	433.4236597	486.548	
  Check	45	493.0550437	517.5993558	562.4680027	435.3016433	487.814	
  Check	46	494.4973749	519.010143	564.4858282	436.6852021	489.485	
  Check	47	495.9854599	520.678871	565.9916346	438.1082317	490.931	
  Check	48	497.3569818	522.0418644	567.2128615	439.4793259	492.274	
  Check	49	499.2089176	523.7528823	569.2284462	440.8670395	494.062	
  Check	50	501.6610986	526.2857489	572.0058972	442.347198	496.568	
  Check	51	505.4063665	529.7476225	575.9328701	444.621968	500.061	
  Check	52	510.9349397	535.0537337	580.5130314	449.3792495	504.247	
  Electronic Payment	1	0.647904883	1.313679678	1.821713451	2.747381995	3.753	5.09923485
  Electronic Payment	2	2.937468239	6.416543954	8.392360526	11.84750058	18.835	27.19784308
  Electronic Payment	3	6.713731882	13.48186171	21.42180241	27.49459411	42.593	59.07647785
  Electronic Payment	4	6.983224381	14.02171133	22.49909352	28.5249922	44.088	61.39763493
  Electronic Payment	5	7.180852213	14.50539291	23.62578238	29.44736468	45.344	62.90595417
  Electronic Payment	6	7.390831786	15.04678146	24.25113673	30.20042779	46.088	64.82790686
  Electronic Payment	7	7.61990041	15.62915648	24.88069515	31.02827787	47.579	67.90033774
  Electronic Payment	8	7.942168523	16.1997176	25.93276188	32.25499172	48.94	69.44136288
  Electronic Payment	9	8.68215001	17.26456098	27.29382724	33.82967267	51.614	72.41567605
  Electronic Payment	10	9.023507175	17.96543447	28.6485865	35.14987022	53.561	74.7358712
  Electronic Payment	11	9.624250871	19.18461177	30.31234439	36.89282182	55.997	78.28927122
  Electronic Payment	12	10.19804532	20.14595629	31.95297993	38.06136804	58.224	81.90808305
  Electronic Payment	13	11.31194765	21.54250248	34.9399666	39.1156564	61.235	89.10722918
  Electronic Payment	14	13.08049217	24.53354909	40.43257476	40.4420862	65.179	104.2981586
  Electronic Payment	15	34.93128139	46.81359153	99.14021086	44.24583397	103.886	210.655827
  Electronic Payment	16	54.77210465	89.08437021	141.3794816	50.09791343	120.501	394.8910571
  Electronic Payment	17	55.20104688	90.11461405	143.2166571	51.24464678	123.816	398.3501872
  Electronic Payment	18	55.52106922	91.02320911	144.3065604	52.56588304	131.797	399.1784161
  Electronic Payment	19	55.8388458	91.61470169	145.0937712	53.49137164	151.799	
  Electronic Payment	20	56.34751289	92.33121461	146.1595011	54.79598858	247.766	
  Electronic Payment	21	56.54850938	92.83355491	146.6650397	55.82742537	250.068	
  Electronic Payment	22	56.91232425	93.40857029	147.7370757	57.45611912	252.62	
  Electronic Payment	23	57.68150076	94.70457277	149.5500778	58.9819808	259.429	
  Electronic Payment	24	64.00334563	105.1997718	164.1581453	63.10772798	292.813	
  Electronic Payment	25	64.49629233	106.186893	167.5098345	65.19137573	294.975	
  Electronic Payment	26	64.8758276	106.9019184	168.6606967	68.26283454	296.694	
  Electronic Payment	27	65.17002357	107.4071912	169.5687743	75.04975097	298.013	
  Electronic Payment	28	65.56415635	107.9299536	170.5766983	113.5993116	299.853	
  Electronic Payment	29	65.79097921	108.6177049	171.3607561	195.5388111	301.442	
  Electronic Payment	30	66.10426424	109.1471529	172.1731912	197.0210471	302.867	
  Electronic Payment	31	66.36701942	109.6261612	172.9152083	198.1199999	304.357	
  Electronic Payment	32	66.63875769	110.0712369	173.5374096	199.3404815	305.632	
  Electronic Payment	33	67.01604719	110.6748547	174.4129057	200.4633246	307.139	
  Electronic Payment	34	67.25522179	111.2076505	175.2284939	201.5363097	308.721	
  Electronic Payment	35	67.55503219	111.9060196	175.9263684	202.9936166	311.053	
  Electronic Payment	36	68.34217487	112.9217305	178.0336549	205.0793418	315.008	
  Electronic Payment	37	75.86101559	123.5115508	193.9008392	224.107429	350.768	
  Electronic Payment	38	76.47074237	125.7876904	198.6966239	230.4373141	354.348	
  Electronic Payment	39	76.87385823	126.5371505	199.8716595	231.7751696	356.583	
  Electronic Payment	40	77.36568204	127.3235924	201.1381335	233.2407863	358.778	
  Electronic Payment	41	77.81820486	128.2618383	202.2049144	234.8248156	361.731	
  Electronic Payment	42	79.84838169	131.5468689	207.6155433	241.4621581	370.958	
  Electronic Payment	43	80.29192143	132.0942916	208.5351821	242.6421301	372.542	
  Electronic Payment	44	80.52435871	132.703881	209.3497193	243.71927	374.007	
  Electronic Payment	45	80.83539797	133.1481759	209.862615	244.61152	375.118	
  Electronic Payment	46	81.22616209	133.7287847	211.1932009	245.6803503	376.863	
  Electronic Payment	47	81.5181123	134.1785066	212.0203502	246.7232129	378.021	
  Electronic Payment	48	81.82129136	134.7882354	212.7697244	247.6860949	379.603	
  Electronic Payment	49	82.1334535	135.4272407	213.6883122	248.894112	381.272	
  Electronic Payment	50	82.73532008	136.72334	215.3699373	251.051508	384.227	
  Electronic Payment	51	83.34729263	137.7988498	216.7772474	253.1341171	387.339	
  Electronic Payment	52	84.20293132	139.6338729	218.8120138	256.8807359	392.732	
  Year	Growth
  1989	20.26282049
  1990	-2.155848694
  1991	25.27943209
  1992	20.5702915
  1993	22.20172325
  1994	0.926525497
  1995	17.67549507
  1996	20.64608197
  1997	22.84234922
  1998	23.65125187
  1999	15.72842379
  2000	11.00014992
  2001	-20.13862297
  2002	-12.26309848
  2003	3.826021756
  2004	23.66906435
  2005	11.90503583
  2006	18.7739604
  2007	13.44982594
  2008	-22.62276144
  2009	-13.89703947
  2010	23.42447695
  2011	10.01617289
  2012	9.289278384
  2013	20.85686949
  2014	17.02265064
  2015	3.019872048
  2016	4.099537351
  2017	14.71148134
  2018	5.74801154
  2019	10.96833788
  2020	5.754426818
  2021	40.3382066
  Year	Label	FinancialIncome_Share	TaxDueAtTimeOfFiling_Share	Linear	Linear_Lower	Linear_Upper
  1990	Historical	12.37682011	12.76525208	12.11551594	11.69062967	12.54040222
  1991	Historical	11.24167987	11.77099538	11.59245167	11.13191241	12.05299092
  1992	Historical	9.878361493	11.00985679	10.96424459	10.37549804	11.55299115
  1993	Historical	9.535553305	10.55739153	10.8062811	10.17617119	11.43639101
  1994	Historical	8.979302699	11.6094571	10.54996491	9.847804164	11.25212566
  1995	Historical	10.02035411	12.55706809	11.02967374	10.45722942	11.60211806
  1996	Historical	11.50236812	13.7947327	11.7125749	11.26717516	12.15797463
  1997	Historical	13.04393289	13.89126308	12.4229166	11.98010969	12.86572351
  1998	Historical	13.71678705	13.83416187	12.73296284	12.24579325	13.22013244
  1999	Historical	14.53169733	14.61929887	13.10846751	12.5412914	13.67564362
  2000	Historical	15.34633116	15.01307227	13.48384478	12.81776145	14.14992812
  2001	Historical	10.44044627	10.61437197	11.22324912	10.69562749	11.75087075
  2002	Historical	8.138692961	10.28879497	10.16261813	9.343229678	10.98200658
  2003	Historical	9.950682203	9.484426784	10.99756944	10.41719196	11.57794692
  2004	Historical	12.61599057	11.98960837	12.22572393	11.79770516	12.65374269
  2005	Historical	15.0341673	13.12391612	13.34000197	12.71352247	13.96648148
  2006	Historical	16.66979113	13.02783788	14.0936854	13.24392416	14.94344663
  2007	Historical	18.05581538	12.52026924	14.73235518	13.6739597	15.79075065
  2008	Historical	12.96003495	9.713118999	12.38425705	11.94524162	12.82327247
  2009	Historical	9.00261543	9.429243929	10.56070725	9.861669137	11.25974536
  2010	Historical	10.18703661	10.32430483	11.10647981	10.55246696	11.66049267
  2011	Historical	9.956528845	9.805566271	11.00026353	10.42055673	11.57997033
  2012	Historical	13.18081258	10.95450822	12.48598975	12.0361121	12.9358674
  2013	Historical	10.59325513	11.56690521	11.29366232	10.78089348	11.80643116
  2014	Historical	12.68742556	12.17676379	12.25864064	11.82895775	12.68832353
  2015	Historical	12.39763234	11.90674257	12.12510606	11.7000979	12.55011422
  2016	Historical	11.47781706	11.19027879	11.70126195	11.25459855	12.14792534
  2017	Historical	13.25829551	12.09953938	12.52169332	12.06734325	12.97604338
  2018	Historical	13.9156241	12.91238931	12.82458549	12.32016295	13.32900804
  2019	Historical	13.35327667	13.54276254	12.56545994	12.10518179	13.02573808
  2020	Estimated	11.12908021	12.45989807	11.54056657	11.07236496	12.00876818
  2021	Estimated	18.40532619	16.00238561	14.89340718	13.78084443	16.00596993