Data Table for Rate/Trend Comparison by Cancer
Death Rate/Trend Comparison by Cancer, 2019-2023
Virginia Counties versus United States
Lung & Bronchus
All Races, Both Sexes
Sorted by count
Counties
|
Priority Index1 1=highest 9=lowest
|
Recent Trend2 |
County Death Rate Compared to US Rate |
Average Annual Count
|
Age-Adjusted Death Rate deaths per 100,000 (95% Confidence Interval)
|
Rate Ratio3 County to US
|
Recent 5-Year Trend2 in Death Rates (95% Confidence Interval)
|
|---|---|---|---|---|---|---|---|
| United States | - | falling | - | 134,732 | 31.5 (31.4, 31.6) | - | -3.7 (-3.9, -3.5) |
| Virginia | - | falling | - | 3,529 | 32.5 (32.0, 33.0) | - | -3.8 (-4.9, -3.5) |
| Fairfax County | 9 | falling | lower | 200 | 15.7 (14.7, 16.7) | 0.5 | -4.5 (-5.2, -3.8) |
| Virginia Beach City | 8 | falling | similar | 183 | 34.0 (31.8, 36.4) | 1.1 | -3.2 (-3.8, -2.6) |
| Henrico County | 5 | falling | higher | 149 | 35.1 (32.6, 37.8) | 1.1 | -2.4 (-2.9, -2.0) |
| Chesterfield County | 8 | falling | similar | 133 | 30.8 (28.4, 33.3) | 1.0 | -5.6 (-12.1, -3.4) |
| Prince William County | 9 | falling | lower | 107 | 26.2 (24.0, 28.6) | 0.8 | -4.0 (-4.6, -3.3) |
| Chesapeake City | 5 | falling | higher | 95 | 34.7 (31.6, 38.1) | 1.1 | -3.4 (-4.1, -2.7) |
| Norfolk City | 5 | falling | higher | 95 | 40.7 (37.0, 44.7) | 1.3 | -2.9 (-3.6, -2.3) |
| Richmond City | 8 | falling | similar | 82 | 34.0 (30.7, 37.6) | 1.1 | -4.1 (-5.0, -3.4) |
| Newport News City | 5 | falling | higher | 73 | 36.4 (32.7, 40.4) | 1.2 | -6.0 (-13.2, -3.4) |
| Loudoun County | 9 | falling | lower | 68 | 19.1 (17.1, 21.3) | 0.6 | -5.0 (-5.9, -4.1) |
| Hampton City | 5 | falling | higher | 63 | 36.7 (32.6, 41.1) | 1.2 | -10.8 (-17.3, -3.3) |
| Roanoke City | 5 | falling | higher | 63 | 47.9 (42.6, 53.6) | 1.5 | -2.7 (-13.3, -1.4) |
| Hanover County | 8 | falling | similar | 53 | 33.5 (29.5, 37.9) | 1.1 | -3.2 (-4.4, -2.1) |
| Spotsylvania County | 8 | falling | similar | 52 | 32.0 (28.1, 36.3) | 1.0 | -3.2 (-4.4, -2.0) |
| Portsmouth City | 5 | falling | higher | 48 | 43.0 (37.6, 48.9) | 1.4 | -2.5 (-3.6, -1.5) |
| Bedford City and County | 8 | falling | similar | 48 | 34.9 (30.5, 39.9) | 1.1 | -2.0 (-3.5, -0.4) |
| Stafford County | 8 | falling | similar | 45 | 31.9 (27.7, 36.5) | 1.0 | -5.6 (-9.3, -4.0) |
| Roanoke County | 8 | falling | similar | 45 | 28.1 (24.5, 32.2) | 0.9 | -2.7 (-3.7, -1.8) |
| Frederick County | 8 | falling | similar | 44 | 33.5 (29.1, 38.3) | 1.1 | -4.1 (-6.0, -3.2) |
| Augusta County | 8 | falling | similar | 41 | 31.7 (27.4, 36.5) | 1.0 | -3.9 (-5.5, -3.0) |
| Washington County | 5 | falling | higher | 41 | 44.2 (38.1, 51.1) | 1.4 | -2.5 (-3.3, -1.8) |
| Pittsylvania County | 5 | falling | higher | 39 | 37.2 (32.0, 43.2) | 1.2 | -2.3 (-3.8, -0.9) |
| Suffolk City | 8 | falling | similar | 38 | 32.8 (28.2, 38.0) | 1.0 | -4.0 (-4.9, -3.1) |
| Lynchburg City | 5 | falling | higher | 38 | 44.1 (37.9, 51.0) | 1.4 | -1.9 (-2.8, -1.1) |
| Rockingham County | 8 | falling | similar | 38 | 30.3 (26.0, 35.1) | 1.0 | -2.6 (-3.7, -1.5) |
| James City County | 9 | falling | lower | 38 | 24.4 (20.9, 28.3) | 0.8 | -3.4 (-4.3, -2.5) |
| Arlington County | 9 | falling | lower | 37 | 17.7 (15.3, 20.5) | 0.6 | -4.3 (-5.9, -3.0) |
| Albemarle County | 9 | falling | lower | 35 | 20.6 (17.6, 23.9) | 0.7 | -3.7 (-4.7, -2.6) |
| Henry County | 5 | falling | higher | 35 | 39.9 (34.1, 46.8) | 1.3 | -1.7 (-2.9, -0.5) |
| Wise County | 5 | falling | higher | 34 | 65.7 (55.9, 76.8) | 2.1 | -1.3 (-2.5, -0.2) |
| Franklin County | 8 | falling | similar | 33 | 33.7 (28.5, 39.7) | 1.1 | -1.9 (-3.1, -0.6) |
| Alexandria City | 9 | falling | lower | 32 | 21.5 (18.2, 25.2) | 0.7 | -4.1 (-5.4, -3.0) |
| Tazewell County | 5 | falling | higher | 32 | 47.3 (40.0, 55.8) | 1.5 | -5.5 (-17.0, -1.7) |
| Fauquier County | 8 | falling | similar | 30 | 30.8 (26.0, 36.2) | 1.0 | -2.3 (-3.8, -0.8) |
| Smyth County | 5 | falling | higher | 30 | 59.2 (50.1, 69.9) | 1.9 | -1.4 (-2.5, -0.4) |
| Danville City | 5 | falling | higher | 30 | 45.3 (38.2, 53.6) | 1.4 | -2.2 (-3.3, -1.2) |
| York County | 8 | falling | similar | 29 | 30.8 (26.0, 36.4) | 1.0 | -3.2 (-4.6, -1.7) |
| Shenandoah County | 5 | falling | higher | 28 | 39.3 (33.0, 46.7) | 1.2 | -1.9 (-3.0, -0.9) |
| Campbell County | 8 | falling | similar | 28 | 31.2 (26.2, 37.1) | 1.0 | -3.6 (-5.1, -2.2) |
| Montgomery County | 8 | falling | similar | 28 | 27.7 (23.2, 32.8) | 0.9 | -2.3 (-4.0, -0.5) |
| Warren County | 5 | falling | higher | 27 | 50.4 (42.1, 60.0) | 1.6 | -1.6 (-3.0, -0.1) |
| Halifax County with South Boston City | 5 | falling | higher | 27 | 43.3 (36.1, 51.8) | 1.4 | -1.6 (-2.9, -0.3) |
| Mecklenburg County | 4 | stable | higher | 27 | 45.2 (37.8, 54.2) | 1.4 | -1.1 (-2.8, 0.6) |
| Petersburg City | 5 | falling | higher | 26 | 60.0 (49.8, 71.8) | 1.9 | -1.8 (-3.1, -0.5) |
| Accomack County | 5 | falling | higher | 25 | 40.3 (33.4, 48.5) | 1.3 | -3.5 (-10.6, -2.1) |
| Gloucester County | 5 | falling | higher | 25 | 42.3 (35.1, 50.9) | 1.3 | -18.6 (-35.6, -0.4) |
| Pulaski County | 5 | falling | higher | 24 | 43.6 (35.9, 52.7) | 1.4 | -1.9 (-3.6, -0.3) |
| Lee County | 4 | stable | higher | 24 | 63.3 (52.2, 76.6) | 2.0 | -1.5 (-3.4, 0.2) |
| Amherst County | 5 | falling | higher | 22 | 44.2 (36.1, 53.8) | 1.4 | -2.4 (-4.1, -0.8) |
| Orange County | 8 | falling | similar | 22 | 38.4 (31.4, 46.7) | 1.2 | -2.2 (-3.8, -0.6) |
| Louisa County | 8 | falling | similar | 22 | 34.4 (27.9, 42.2) | 1.1 | -6.0 (-18.3, -3.8) |
| Botetourt County | 6 | stable | similar | 21 | 36.0 (29.3, 44.2) | 1.1 | -1.9 (-3.8, 0.1) |
| Scott County | 5 | falling | higher | 20 | 49.9 (40.6, 61.4) | 1.6 | -1.6 (-3.1, 0.0) |
| Isle of Wight County | 8 | falling | similar | 20 | 33.6 (27.2, 41.3) | 1.1 | -4.1 (-5.4, -2.8) |
| Culpeper County | 8 | falling | similar | 20 | 29.6 (23.9, 36.2) | 0.9 | -5.9 (-17.0, -3.5) |
| Carroll County | 8 | falling | similar | 19 | 33.7 (27.3, 41.8) | 1.1 | -3.5 (-6.6, -2.2) |
| Page County | 4 | stable | higher | 19 | 46.4 (37.5, 57.4) | 1.5 | -0.8 (-2.5, 0.9) |
| Prince George County | 4 | stable | higher | 19 | 43.5 (35.0, 53.5) | 1.4 | -1.0 (-2.5, 0.8) |
| Russell County | 8 | falling | similar | 18 | 38.7 (31.0, 48.2) | 1.2 | -17.8 (-32.4, -1.9) |
| Caroline County | 5 | falling | higher | 18 | 42.9 (34.2, 53.3) | 1.4 | -3.4 (-5.0, -1.9) |
| Dinwiddie County | 5 | falling | higher | 18 | 42.4 (33.8, 52.9) | 1.3 | -2.8 (-4.1, -1.6) |
| Buchanan County | 5 | falling | higher | 17 | 50.5 (40.1, 63.3) | 1.6 | -1.9 (-3.3, -0.6) |
| Westmoreland County | 5 | falling | higher | 17 | 45.1 (35.9, 56.7) | 1.4 | -3.3 (-4.9, -1.8) |
| Wythe County | 8 | falling | similar | 17 | 38.1 (30.2, 47.6) | 1.2 | -2.7 (-4.4, -1.1) |
| Hopewell City | 4 | stable | higher | 17 | 62.5 (49.6, 77.9) | 2.0 | 14.4 (-3.2, 29.0) |
| New Kent County | 4 | stable | higher | 16 | 54.2 (42.3, 68.5) | 1.7 | -1.8 (-3.9, 0.6) |
| Powhatan County | 8 | falling | similar | 16 | 36.8 (28.9, 46.4) | 1.2 | -3.0 (-4.7, -1.3) |
| Staunton City | 4 | stable | higher | 16 | 40.6 (32.2, 50.9) | 1.3 | -1.4 (-3.0, 0.2) |
| Patrick County | 4 | stable | higher | 16 | 47.3 (37.2, 60.2) | 1.5 | -0.8 (-2.3, 0.8) |
| Waynesboro City | 4 | stable | higher | 16 | 52.3 (41.2, 65.6) | 1.7 | -0.2 (-1.3, 0.9) |
| Salem City | 4 | stable | higher | 16 | 41.3 (32.5, 52.0) | 1.3 | -1.5 (-3.2, 0.1) |
| Giles County | 5 | falling | higher | 15 | 54.1 (42.6, 68.6) | 1.7 | -1.6 (-3.0, -0.2) |
| Lancaster County | 4 | stable | higher | 15 | 61.7 (45.8, 82.9) | 2.0 | 0.0 (-3.0, 3.0) |
| Alleghany County and Clifton Forge City | 4 | stable | higher | 15 | 53.2 (41.6, 68.1) | 1.7 | -0.2 (-2.3, 2.0) |
| Colonial Heights City | 5 | falling | higher | 15 | 53.8 (42.2, 68.1) | 1.7 | -1.6 (-3.0, -0.2) |
| Winchester City | 8 | falling | similar | 15 | 40.1 (31.3, 50.7) | 1.3 | -3.1 (-5.1, -1.4) |
| Bristol City | 1 | rising | higher | 14 | 51.6 (40.2, 65.8) | 1.6 | 32.2 (12.6, 50.6) |
| Prince Edward County | 4 | stable | higher | 14 | 54.9 (42.5, 70.0) | 1.7 | -0.1 (-2.0, 1.8) |
| Rockbridge County | 6 | stable | similar | 14 | 32.1 (24.6, 41.8) | 1.0 | -3.7 (-17.1, 1.2) |
| Southampton County | 5 | falling | higher | 13 | 43.1 (33.1, 55.8) | 1.4 | -2.3 (-3.7, -0.9) |
| Fluvanna County | 8 | falling | similar | 13 | 31.8 (24.4, 41.1) | 1.0 | -2.5 (-4.6, -0.3) |
| Grayson County | 5 | falling | higher | 13 | 45.2 (34.7, 58.7) | 1.4 | -2.3 (-4.0, -0.7) |
| King George County | 4 | stable | higher | 13 | 42.7 (32.6, 55.1) | 1.4 | -2.0 (-4.4, 0.7) |
| Northumberland County | 6 | stable | similar | 13 | 39.5 (30.3, 53.1) | 1.3 | -1.6 (-4.8, 1.7) |
| Brunswick County | 5 | falling | higher | 12 | 45.5 (34.6, 59.5) | 1.4 | -2.3 (-3.9, -0.8) |
| Buckingham County | 4 | stable | higher | 12 | 49.4 (37.7, 64.2) | 1.6 | -1.3 (-3.0, 0.3) |
| Charlottesville City | 8 | falling | similar | 12 | 26.8 (20.3, 34.9) | 0.9 | -7.4 (-20.8, -4.4) |
| Charlotte County | 4 | stable | higher | 12 | 61.2 (46.5, 80.2) | 1.9 | 2.4 (-2.1, 18.5) |
| Goochland County | 8 | falling | similar | 12 | 25.8 (19.5, 34.1) | 0.8 | -3.9 (-6.5, -1.4) |
| Nottoway County | 4 | stable | higher | 12 | 54.6 (41.4, 71.1) | 1.7 | -2.1 (-5.2, 0.6) |
| Dickenson County | 4 | stable | higher | 12 | 49.0 (36.9, 64.7) | 1.6 | -1.5 (-3.2, 0.3) |
| Fairfax City | 4 | stable | higher | 11 | 42.9 (32.3, 55.9) | 1.4 | -1.5 (-3.4, 0.3) |
| Amelia County | 4 | stable | higher | 11 | 52.4 (39.2, 69.4) | 1.7 | -2.1 (-4.4, 0.3) |
| Harrisonburg City | 8 | falling | similar | 11 | 27.7 (20.8, 36.2) | 0.9 | -2.4 (-4.8, -0.2) |
| Middlesex County | 5 | falling | higher | 11 | 45.1 (33.0, 62.1) | 1.4 | -2.4 (-4.6, -0.2) |
| Nelson County | 6 | stable | similar | 11 | 37.2 (27.6, 50.2) | 1.2 | -2.0 (-4.5, 0.3) |
| King William County | 5 | falling | higher | 11 | 44.2 (32.8, 58.5) | 1.4 | -3.5 (-6.1, -1.1) |
| Lunenburg County | 4 | stable | higher | 10 | 46.1 (33.6, 62.7) | 1.5 | -0.9 (-3.5, 1.7) |
| Manassas City | 8 | falling | similar | 9 | 29.8 (21.2, 40.4) | 0.9 | -2.6 (-4.6, -0.6) |
| Appomattox County | 6 | stable | similar | 9 | 34.4 (24.9, 46.9) | 1.1 | -2.4 (-5.5, 0.5) |
| Martinsville City | 5 | falling | higher | 9 | 47.7 (34.4, 65.0) | 1.5 | -17.3 (-38.8, -2.2) |
| Sussex County | 5 | falling | higher | 9 | 55.9 (40.0, 76.8) | 1.8 | -19.8 (-35.9, -2.3) |
| Greene County | 8 | falling | similar | 8 | 28.2 (20.2, 38.8) | 0.9 | -3.5 (-6.1, -0.9) |
| Floyd County | 6 | stable | similar | 8 | 29.8 (21.3, 41.6) | 0.9 | -1.7 (-3.6, 0.4) |
| Fredericksburg City | 8 | falling | similar | 8 | 32.0 (22.8, 43.6) | 1.0 | -4.0 (-6.9, -1.5) |
| Madison County | 6 | stable | similar | 8 | 34.1 (24.3, 47.5) | 1.1 | -1.0 (-3.5, 1.8) |
| Northampton County | 8 | falling | similar | 8 | 37.0 (25.4, 53.2) | 1.2 | -29.2 (-46.3, -6.0) |
| Greensville County | 4 | stable | higher | 7 | 52.5 (36.7, 73.6) | 1.7 | -0.7 (-3.5, 2.1) |
| Poquoson City | 6 | stable | similar | 7 | 38.7 (26.8, 54.8) | 1.2 | -1.9 (-4.2, 0.6) |
| Clarke County | 8 | falling | similar | 7 | 25.7 (17.7, 37.0) | 0.8 | -9.7 (-30.6, -5.6) |
| Essex County | 6 | stable | similar | 7 | 38.5 (26.3, 55.6) | 1.2 | -2.2 (-4.8, 0.3) |
| Franklin City | 4 | stable | higher | 6 | 52.9 (35.9, 76.2) | 1.7 | 26.1 (-3.5, 54.2) |
| Richmond County | 8 | falling | similar | 6 | 39.0 (26.1, 57.5) | 1.2 | -2.8 (-5.6, -0.2) |
| Cumberland County | 8 | falling | similar | 6 | 31.6 (20.9, 47.4) | 1.0 | -4.3 (-7.3, -1.5) |
| King and Queen County | 6 | stable | similar | 6 | 47.0 (30.8, 71.0) | 1.5 | -1.8 (-5.1, 1.4) |
| Mathews County | 6 | stable | similar | 6 | 30.9 (19.4, 49.2) | 1.0 | -2.5 (-5.6, 0.3) |
| Galax City | 4 | stable | higher | 5 | 60.3 (39.5, 89.2) | 1.9 | 11.0 (-12.0, 31.3) |
| Charles City County | 8 | falling | similar | 5 | 38.0 (24.4, 60.0) | 1.2 | -3.1 (-5.8, -0.5) |
| Radford City | 8 | falling | similar | 5 | 36.2 (22.6, 55.2) | 1.1 | -4.2 (-7.1, -1.9) |
| Covington City | 6 | stable | similar | 4 | 43.2 (25.7, 70.0) | 1.4 | -0.3 (-3.5, 2.6) |
| Surry County | 6 | stable | similar | 4 | 30.1 (18.0, 50.5) | 1.0 | -2.8 (-6.3, 0.8) |
| Falls Church City | 7 | stable | lower | 3 | 20.7 (12.0, 33.6) | 0.7 | -2.7 (-5.7, 0.2) |
| Rappahannock County | 6 | stable | similar | 3 | 21.4 (12.1, 38.4) | 0.7 | -2.5 (-6.2, 1.3) |
| Bath County |
|
** | similar | 4 | 49.6 (30.6, 81.8) | 1.6 |
|
| Bland County |
|
** | similar | 3 | 31.1 (17.8, 53.6) | 1.0 |
|
| Buena Vista City |
|
** | similar | 5 | 47.6 (30.1, 73.1) | 1.5 |
|
| Emporia City |
|
** | similar | 4 | 54.1 (33.5, 84.0) | 1.7 |
|
| Williamsburg City |
|
** | similar | 6 | 32.5 (21.8, 47.7) | 1.0 |
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| Craig County |
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** |
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| Highland County |
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** |
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| Lexington City |
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** |
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| Manassas Park City |
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** |
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| Norton City |
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** |
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Notes:
Created by statecancerprofiles.cancer.gov on 03/17/2026 9:08 pm.
* Data has been suppressed to ensure confidentiality and stability of rate and trend estimates.
** Data are too sparse to provide stable estimates of annual rates needed to calculate trend.
1 Priority indices were created by ordering from rates that are rising and above the comparison rate to rates that are falling and below the comparison rate.
2 Recent trend in death rates is usually an Average Annual Percent Change (AAPC) based on the APCs calculated by Joinpoint. Due to data availability issues, the time period and/or calculation method used in the calculation of the trends may differ for selected geographic areas.
3 Rate ratio is the county rate divided by the US rate. Previous versions of this table used one-year rates for states and five-year rates for counties. As of June 2018, only five-year rates are used.
Source: Death data provided by the National Vital Statistics System public use data file. Death rates calculated by the National Cancer Institute using SEER*Stat. Death rates are age-adjusted to the 2000 US standard population (20 age groups: <1, 1-4, 5-9, ... , 80-84, 85-89, 90+). The Healthy People 2030 goals are based on rates adjusted using different methods but the differences should be minimal. Population counts for denominators are based on Census populations as modified by NCI. The US Population Data File is used with mortality data.
Note: When the population size for a denominator is small, the rates may be unstable. A rate is unstable when a small change in the numerator (e.g., only one or two additional cases) has a dramatic effect on the calculated rate. Suppression is used to avoid misinterpretation when rates are unstable.
State Cancer Registries may provide more current or more local data. Data presented on the State Cancer Profiles Web Site may differ from statistics reported by the State Cancer Registries (for more information).
Data for the following has been suppressed to ensure confidentiality and stability of rate and trend estimates:
Craig County, Highland County, Lexington City, Manassas Park City, Norton City
Trend for the following could not be reliably determined due to small number of deaths per year:
Bath County, Bland County, Buena Vista City, Emporia City, Williamsburg City
Interpret Rankings provides insight into interpreting cancer statistics. When the population size for a denominator is small, the rates may be unstable. A rate is unstable when a small change in the numerator (e.g., only one or two additional cases) has a dramatic effect on the calculated rate.
Data for United States do not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 03/17/2026 9:08 pm.
Trend2
Rising
when 95% confidence interval of average annual percent change is above 0.
Stable
when 95% confidence interval of average annual percent change includes 0.
Falling
when 95% confidence interval of average annual percent change is below 0.
Rate Comparison
Above
when 95% confident the rate is above and Rate Ratio3 > 1.10
Similar
when unable to conclude above or below with confidence.
Below
when 95% confident the rate is below and Rate Ratio3 < 0.90
Rising
when 95% confidence interval of average annual percent change is above 0.Stable
when 95% confidence interval of average annual percent change includes 0.Falling
when 95% confidence interval of average annual percent change is below 0.Rate Comparison
Above
when 95% confident the rate is above and Rate Ratio3 > 1.10Similar
when unable to conclude above or below with confidence.Below
when 95% confident the rate is below and Rate Ratio3 < 0.90* Data has been suppressed to ensure confidentiality and stability of rate and trend estimates.
** Data are too sparse to provide stable estimates of annual rates needed to calculate trend.
1 Priority indices were created by ordering from rates that are rising and above the comparison rate to rates that are falling and below the comparison rate.
2 Recent trend in death rates is usually an Average Annual Percent Change (AAPC) based on the APCs calculated by Joinpoint. Due to data availability issues, the time period and/or calculation method used in the calculation of the trends may differ for selected geographic areas.
3 Rate ratio is the county rate divided by the US rate. Previous versions of this table used one-year rates for states and five-year rates for counties. As of June 2018, only five-year rates are used.
Source: Death data provided by the National Vital Statistics System public use data file. Death rates calculated by the National Cancer Institute using SEER*Stat. Death rates are age-adjusted to the 2000 US standard population (20 age groups: <1, 1-4, 5-9, ... , 80-84, 85-89, 90+). The Healthy People 2030 goals are based on rates adjusted using different methods but the differences should be minimal. Population counts for denominators are based on Census populations as modified by NCI. The US Population Data File is used with mortality data.
Note: When the population size for a denominator is small, the rates may be unstable. A rate is unstable when a small change in the numerator (e.g., only one or two additional cases) has a dramatic effect on the calculated rate. Suppression is used to avoid misinterpretation when rates are unstable.
State Cancer Registries may provide more current or more local data. Data presented on the State Cancer Profiles Web Site may differ from statistics reported by the State Cancer Registries (for more information).
Data for the following has been suppressed to ensure confidentiality and stability of rate and trend estimates:
Craig County, Highland County, Lexington City, Manassas Park City, Norton City
Trend for the following could not be reliably determined due to small number of deaths per year:
Bath County, Bland County, Buena Vista City, Emporia City, Williamsburg City
Interpret Rankings provides insight into interpreting cancer statistics. When the population size for a denominator is small, the rates may be unstable. A rate is unstable when a small change in the numerator (e.g., only one or two additional cases) has a dramatic effect on the calculated rate.
Data for United States do not include Puerto Rico.


